NCE TEST 03

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临床研究缩写

定量限
Lostoffollowup
失访
Marketi ngapproval/authorizati on
上市许可证
Matchedpair
匹配配对
Miss in gvalue
缺失值
Mixedeffectmodel
混合效应模式
Mo nitor
监察员
Mon itori ng
监杳
Mon itori ngpla n
人用药品注册技术要求国际技术协调会国际协调会议
Inv estigati on alproduct
试验药物
Lastobservati on carryforward,LOCF
最近一次观察的结转
LC-MS
液相色谱-质谱联用
LD50
半数致死剂量
Logiccheck
逻辑检杳
LOQ(limitofquantization)
Alphaspe ndingfunction
消耗函数
ALT
丙氨酸氨基转移酶
An alysissets
统计分析的数据集
Approval
批准
Assista ntinv estigator
助理研究者
AST
天门冬酸氨基转移酶
ATR
衰竭全反射法
AUCss
稳态血药浓度-时间曲线下面积
Audit
稽查
Auditori nspecti on
药物非临床研究质量管理规范
GLP
Groupseque ntialdesig n
成组序贯设计
Healtheconomicevaluation,HEV
健康经济学评价
Hypothesistest
假设检验

NCE3 Questions

Lesson 71.What sort of business does John Butlin run?2.What did he do at the end of a very good day?3.What did he and his fiancee do then?4.What did Jane do after they got home?5.What were they dismayed to find?6.Who did John go and see?7.What did the bank manager do?8.What happened after that?Lesson 81.When is St. Bernerd’s monastery visited by thousands of people?2.How do these people cross the Pass?3.Why are the dogs kept in a special enclosure?4.How low does the temperature drop in winter?5.Are there few visitors then, or are there a great many?6.Do the monks prefer the winter season or not?7.What are the dogs free to do in winter?8.What sort of people regularly visit the monastery in winter?9.Do they stay there the whole winter, or do they stay only at certain times?10.Are they warmly welcomed or not?Lesson 91.How many cats did the New Y ork Animal Medical Centre make a study of?2.What had all these cats done?3.How many of these cats had been killed?4.What happened to a cat called Sabrina?5.What do cats do when falling at speeds of 60 miles an hour or more?6.What effect does this have?Lesson 101.Where was the Titanic sailing?2.What was seen by a lookout?3.When did the ship turn sharply?4.Did it sail alongside the iceberg, or did it collide with it?5.What was heard from below?6.What did the captain do?7.What did he find?8.When did everyone jump overboard?9.Why were 1,500 people drowned?Lesson 111.Did the writer anything to declare or not?2.What did the Customs Officer make him do?3.Did the Customs Officer search the case carefully or not?4.What did he find?5.What did he think was in the bottle？6.What did the writer tell him the bottle contained?7.Who had made it?8.Did the Customs Officer believe him or not?9.What did the writer encourage the Officer to do?10.What convinced the Officer that the writer was telling the truth?11.Did the Officer let the writer pass through the Customs or not?Lesson 121.Was the men’s boat damaged or not?2.Where were they taking it?3.What happened to it on the way?4.What did the men load on to their rubber dinghy?5.Where did they row?6.Where did they arrive?7.Where did the men collect water during their stay there?8.How did they catch fish and lobster?9.Did they eat ‘like kings’ for five days or not?10.How were they rescued?Lesson 131.How was Mrs.Richards dressed?2.Where was she going when someone knocked at the door?3.Whom did she think it was4.Where did she hide?5.Did she hear footsteps in the hall or not?6.Who suddenly opened the storeroom door?7.What did she say to him?8.Did he get a bad fright or not?9.Did she walk towards him or not?10.Did he flee or did he stay there？11.Did he slam the front door or not?Lesson 141.Where did Sir John Hawkwood settle six hundred years ago?2.Whom did he hire soldiers to in times of war?3.Would he threaten to destroy a city-state in times of peace or not?4.When would he spare a city-state?5.Did Italians regard him as a hero in spite of this or not?6.How old was he when he died?7.Who gave him a state funeral when he died?8.Did they have a picture painted or not?9.What was it dedicated to?Lesson 151.Where was George going?2.Where did he lose his fifty pence?3.Did he take his jacket off or not?4.Where did he put his arm?5.Did he find his fifty pence, or did he fail to find it?6.Could he get his arm out or not?7.Did a crowd of people gather round him or not?8.What did a lady try to do?9.Did she succeed or did she fail?10.How did firemen finally free George?11.What did the owner or the sweet shop present him with?Lesson 161.What did Mary tell Dimitri when he came home?2.What did Dimitri learn about his neighbour, Aleko?3.Where did Dimitri go?4.What did he accuse Aleko of?5.Did Aleko show Dimitri his new lamb or not?6.What colour was it?7.What did Dimitri do when he saw it was black?8.Why did Dimitri stay in Aleko’s house for half an hour?9.Why did he get a surprise when he went outside?10.Had the lamb been dyed or not?Lesson 171.What is the name of the bridge which joins Brooklyn to Staten Island?2.What is its span?3.How many towers has it got?4.What do these towers support?5.What are the towers built on?6.How far under the sea do the platforms go?7.How far above the surface do the towers rise?8.What is the bridge suspended from?9.How many lengths of wire does each of these cables contain?10.Is the bridge very strong or not?11.Is it simple and elegant or not?Lesson 181.What did the writer see when he entered the art gallery?2.Why did it forbid people to touch the exhibits?3.What did the exhibition consist of?4.What did the writer see against the wall?5.What did the spheres do?6.What did the tall structures in the centre of the hall contain?7.What did the coloured lights do?8.What was emitted from black boxes?9.Did red lamps go on and off or not?Lesson 191.When did Mrs. Ramasay receive an anonymous letter?2.How much money did the kidnapper demand for the return of the cat?3.What would happen if she went to the police?4.Where did she have to put the money?5.Where did she have to put the box?6.How much did she draw from the bank?7.Did she act on the kidnapper’s instructions or not?8.Had the money disappeared the following morning or not?9.When did Rastus return to Mrs. Ramasay?Lesson 201.On what date did Bleriot and Latham arrive at Calais?2.Did it look as if there would be a race or not?3.When would it take place?4.Why did Latham not take part in race?5.Did Bleriot make a short test flight before setting out or not?6.How long did it take him to fly across the Channel?7.Who greeted him when he arrived at Dover?8.How near to Dover did Latham fly the following week?9.Why did he have to land on the sea for the second time?。

新概念英语NCE1_Lesson103-104(共48页)课件

answer /a:nsə/ v. 回答 mark/ma:k/ n. 分数 rest /rest/ n.其他的东西 question/kwestſən/ n.问题
top/tOp/n.上方，顶部 hate/heit/v.讨厌 low/ləu/adj.低的 cheer/tſiə/v.振作，振奋 fail /feil/ v.未及格，失败
Listen and answer
How long did the exam last?
too 太… very 很, 非常… enough 足够
bad too small
cold
too+形容词
(多形容不好的方面，有否定或贬义的意思）
easy very good
kind
very+形容词
(多形容好的方面，有褒义的意思）
clever adj.聪明的 stupid adj. 笨的
a clever boy a stupid man
• cheap adj.便宜的 expensive adj.贵的
a pair of cheap an expensive diamond trousers
fresh adj.新鲜的 • stale adj.变馊的
Fill in the blanks
1.In the end of term,we usually have a final _e_x_a_m_. 2.--Who can _a_ns_w__e_r__my question?
-- I can. 3.Do you have any other q_u_e_s_t_io_n_? 4. I don’t like studying _m__a_th_e_m__a_t_ic_s_because it has so

新概念英语第三册PPT课件：NCE3_lesson20(共28页)

• -Here is the car (that) I told you about.
• 2)有些动词后跟介词被看成是固定词组（如 take after，account for），这时介词必须紧跟动词。
• -I can’t understand his recent behavior which the pressure at work may account for.
• （L4）跟地名有关的俚语 • take a French leave • meet one’s Waterloo • 倒霉，受毁灭性打击 • be Greek to someone • 不知道 • -He is a very famous artist, • but physics is Greek to him。 • -他是一位著名的艺术家，但是 • 对物理一窍不通。
• The 'Antoinette' floated on the water until Latham was picked up by a ship.
• （L7）float on the water 漂在水面上 • Float in the breeze 随风飘扬 • Float down the river 顺流而下 • （L7）pick up • 1)捡起，拿起 • -I picked up the wallet on the floor. • -My mom ask me to pick up my messy
”，通常用在一般过去时中，不能用在完成时中。
• 2）before 立足于过去，表“从过去某一时刻起的一段时间之前”通常用在过去完成时中。
• -I met him three years ago. • -(距今)三年前，我遇到了他。 • -I had met him three years before. • -(据当时)三年前我见到他一次。

NCE1_Lesson107-108(共45页)新概念英语第1册课件

Key words and expressions
•
★madam（对妇女的尊称名词)夫人，女士服务行业的人员常用此称呼；同时，对于不知姓名的女士也可以用此来表示尊重。这个单词也可拼作ma'am [mæm]. Do you like this dress,madam? What can I do for you,madam?
Let’s review—A card from Jimmy
• • • • • • • • • --Read Jimmy's card to me please, Penny. --I have just arrived in Scotland and I'm staying at a Youth Hostel.’ --Eh? --He says he's just arrived in Scotland. He says he's staying at a Youth Hostel. You know he's a member of the Y.H.A. --The what? --The Y.H.A., Mum. The Youth Hostels Association.
• --What's it?
• --It's a dictionary. I hope it'll help you.
Key words and expressions
• • • • • madam n. 夫人，女士 smart adj. 漂亮的 as well 同样 suit v. 适于 pretty adj. 漂亮的
Key words and expressions
★pretty (形容词)漂亮的

NCE(2)UNIT3 & 4测试卷

Test For Lesson 61-96 NCE IITime: 80 minutes Name:Score:I．听力(共15小题，满分20分)(1)请听录音后补充空缺的单词（听2遍）Passage 1One of the most famous (1) in the world, the Statue of Liberty, was (2)to the United States of America in the nineteenth century by the people of France. The great statue,.a) dismissed b) sent by air c) sent to another place d) shot4. Children can be instructed in swimming. They can be .a) learnt to swim b) learnt swimming c) taught how to swim d) learnt how to swim5. They are not reluctant to enter the water. They are .a) unwilling to b) willing to c) not ready to d) slow to6. It was especially constructed be Eiffel. It was constructed .a) for a special purpose b) particularly c) in particular d) on purpose7. She was fast asleep. She was asleep.a) deeply b) sound c) quick d) soon8. I’d prefer to stay here. That’s what I’d.a) do b) rather do c) have done d) do best9. The balloon landed near an airfield. it .a) came along b) came down c) came over d) came off10. He was angry when he heard the news. He was angry the news.a) with hearing b) in hearing c) on hearing d) for hearing11. These eating varieties are sometimes twelve feet .a) length b) depth c) long d) deep12. There must have been several hundred people present. …a) I think there were b) There must be c) It was necessary to be d) There had to bewords.learnt about 300 words. She made words and sentences too. One day someone put a doll in her cup. She made the sentence ‘Baby—in—my—drink’ in sign language.1. A chimpanzee is the most beautiful animal in the world. ( )2.The chimpanzee in the picture was named Washoe. ( )3.Washoe was a hardworking but stupid learner. ( )4.Washoe could make words and sentences in sign language with her hands. ( )5.It was easy for Washoe to learn sign language. ( )IV．课文重、难点(共15小题，满分30分)(1)用正确的词填空1. He arrived late as (usually) (usual).2. Whatever you do, don’t lose you (temper) (mood).3. The questions were (fairly) (enough) difficult, but I managed to answer them.4. There was a long (row) (queue) at the bus stop.5. Bread and butter (is) (are) fattening.6. What a lot of dirty plates! Who is going to (wash up) (wash).7. We all (laughed) (laughed at) when he told us a funny story.8. The soldier (saluted) (greeted) his mother with a kiss.were。

新概念英语NCE1_Lesson103-104(共82页)课件

e.g. 对他来说，学习英语很容易。 It is easy for him to learn English.
e.g.对Lucy 来说学数学不容易。 It is not easy for Lucy to learn mathematics.
(2) 安逸的，舒适的 Lead an easy life. 过安逸的生活
Make yourself easy. 请放心。
口语：随便，那个都行。 I’ m easy.
放心好了，别着急。 Take it easy.
Lesson 103
The French test
每日一句
No pains , no gains.
不劳无获。
No cross， no crown。不经历风雨，怎能见彩虹。
What are they doing ? They are taking an exam.
Warm up:
脑筋急转弯考试时作弊的学生最怕的是什麽?
She is poor at mathematics. 你数学好吗？ Are you good at mathematics？我通过了数学考试。
I passed in mathematics.
Chinese 汉语；中文 English 英语；英文 history 历史 biology [bai’ɔlədʒi ]生物 geography [ dʒi’ɔɡrəfi ]地理 chemistry [‘kemistri ]化学 physics [‘fiziks ]物理
答: 转回头看别人的考卷时, 来自转不过来.Topic：examination • How are you feeling after taking
an exam. • Are you happy or sad? • Are you excited? • Are you afraid? • Are you worried with your mark?

软件测试中英文对照

2024年新概念英语NCE2_Lesson77(共19页)课件

• The horse has a white mark on its head • 2）n. 分数 • 我在拼写考试中得了满分
• I got full marks in the spelling test. • 3）n. 标记 • 他用铅笔做标记
• He made marks with a pencil. • 3）v. 标记 • 商品木乃伊 • adj. 埃及的 • n. 庙 • n. 斑点 • n. （照相）底片 • n. 疾病 • v. 持续 • v. 显示出 • n. 树脂 • n. 皮肤 • n. 切片 • n. （人的）体形；人像 • adv. 通常地 • v. 幸免于
• mark • 1）n. 斑点 • 这匹马头上有一个白色斑点
bedroom. • 当她看到卧室的房间里有个黑影时尖叫了起来。
• normally adv. 通常地,正常地 • 通常他的坏心情会持续一到俩天。 • Normally his bad mood will last one or two days. • 通常在早上路上的车会少些。 • There are less cars in the morning.
• survive v.幸免于，存活 • 没有乘客在空难中幸存。
• None of the passengers survived in the air crash.
• 我很想知道他们靠那么可怜的收入是怎么活下来的。
• I wonder how they can survive on such poor income.
goods here.
• Section • 1）切片 • 医生在显微镜下仔细检查从尸体上切下来的切
片。
• The doctor examined the section cut from the dead body under the microscope.

NCE老化测试设计方案0401 V2

.老化测试设计方案目录一、目的 (5)二、需求分析 (5)2.1.硬件器件测试 (5)2.2.软件功能测试 (5)2.3.电路测试 (5)2.4.背景应力测试 (5)三、APK具体测试流程图 (6)四、概要设计 (12)4.1. 测试启动及条件确认 (12)4.2. 数据初始化 (12)4.3. 电量控制 (13)4.4. 重启部分 (14)4.5. 循环测试阶段 (15)4.6. Camera测试 (20)4.7. EMMC擦写测试 (22)4.8. 指纹测试 (23)4.9. DDR模块检测 (24)4.10. 背景应力 (25)4.11. 测试结果保存 (27)4.12. 电量问题 (27)4.13. 日志分析设计方案 (28)五、避免老化残影 (29)六、APK有效性验证 (30)七、APK安装与管理 (30)一、目的通过器件以及系统老化测试，激发产品早期类问题，拦截制程/器件/系统类导致的失效问题,从而降低合作产品的FFR。

因为从华为自研近5000万台的产品失效分析数据来看，前三个月故障占比可达到58.2%，所以对于合作产品来说，能拦截住前三个月的故障，对产品FFR改善会有很大帮助。

二、需求分析2.1.硬件器件测试对手机各部分器件进行全面检测，如：I2C 、TP 、Receiver、Speaker、LCD、背光灯、LED 指示灯、Camera、EMMC、指纹以发现各部分器件早期失效问题。

2.2.软件功能测试软件功能测试主要是对手机常用的功能(如休眠唤醒、重启、功能开关或关闭等)进行模拟和控制。

其中如重启和功能开关或关闭已在硬件器件测试中体现。

故此处重点描述休眠唤醒操作。

2.3.电路测试电路测试部分主要涉及到充电电路测试和电路调压测试。

2.4.背景应力测试背景应力测试主要是通过执行CPU高负载操作来进行升温操作，关闭CPU高负载来进行降温操作。

同时加以马达的震动服务来进行应力构建。

三、APK具体测试流程图整个老化测试需要重复18轮: 每一轮都会重复“升温（6分钟）——降温（10分钟）——升温（6分钟）——降温（10分钟）”这个操作（暂定其名称为“升降操作”）。

新概念英语NCE_Lesson81-82(共52页)课件

• Bathe vi/vt
• eg : I always bathe before I go to bed.
• The doctor told him to bathe his eyes twice a day.
• Tom! • Yes? yes 表示疑问。 • Sam’s here. • Sb’s here . 某人来了。 • I’m nearly ready.
others.
• have dinner have=eat • 注意三餐名词前是零冠词 • Have breakfast/lunch/supper
表示时间的介词at.,in,on的区别
• at用来指时间点 at+具体时间点 • at six o’clock at 8:45 • 作为时间点考虑的昼夜某时刻 at
• （2）表示要做什么事但是后来没做，或者避开没做。
• eg : we nearly came to see you last Sunday.
• （3）nearly一般与具体数字连用
• eg : there are nearly 60 students in our class .
mostly 和alomst
• The morning/aternoon/evening前只用 in 表示一段时间。但是当这三个词被前置定语或者of-短语修饰时，之前必须用on.某日的早上、下午、晚上可用（4 ）、（5）表示均可。但在early morning/late afternoon的时间短语前，习惯上用in,即使后面有of-短语修饰
• eg : you must get ready for the race.
• be ready to do …(1)已准备好做… • eg : I’m ready to go. • (2)眼看就要…

新概念青少入门B 测试考试 Unit 1-6 NCE New Concept English B Test

`New Concept English 青少版入门B Unit 1-6 Test Name ________________What’s wrong?1)who what where this 2) milk salad sausage hamburger 3)aunt father uncle grandfather 4) favorite boat game puppet5)between in bed next to 6) Anna’s Pop’s Max Flora’s7)morning lunch supper breakfast 8) birds chicken sheep donkeys 9) crack crash crowd chop 10) their car our dog he pen her chair Fill in the blanks1)Are these horses? ______________ 2) Whose bag is it? ________________3)Is it Pop’s bedroom? _______________ 4) _________________? It’s five o’clock.5) Who’s in the sitting room? ________________ 6) Where is the bathroom? _______________ Choose A, B or C1)Who’s that man? A) Don’t be silly! B) That’s my mother! C) It’s the king!2)Is that his ruler? A) Yes, it’s he. B) No, it his isn’t. C) Yes, it’s his.3)Where’s Pop? A) He’s on the bedroom. B) He in the table. C) He’s next to Max.4)It’s four o’clock! A) Time for tea! B) Listen to the ball! C) What a mess!5)__ball is it? It’s my ball. A) Who’s B) Who’se C) Whose6)Look at ____ chickens. A) that B) Those C) thesePut the words in the right order1) horses big those are . _________________________________2) boat Anna’s that is ? _________________________________3) bed time it’s for . _________________________________4) window house there a is in this ? __________________________________5) these chickens are small ? __________________________________Right or wrong?1) This is ducks. [ ] 对[ ] 错2) It’s Pop football. [ ] 对[ ] 错3) Whose that girl?. [ ] 对[ ] 错4) Are those horse? [ ] 对[ ] 错5) The Max is in our house. [ ] 对[ ] 错。

灯饰中英对照.docx

室内灯 reside ntial lamp / light 枝状大吊灯I cha ndeliers 吊灯 pendant lamp / light 半吊灯 half pendan t lamp / light 台灯 table lamp / light 壁灯 wall lamp / light 落地灯 floor lamp / light 吸顶灯 ceiling lamp / light 水晶灯 crystal lamp / light 木灯 woode n lamp / light宫灯 palace lamp / light 仿水晶灯 imitated crystal lamp / light 低压灯 low voltage lamp / light 工艺灯 artificial lamp / light 石艺灯 marble lamp / light 羊皮灯 parchme nt lamp / light 镜前灯 mirror fron t lamp / light 镜画灯 picture lamp / light 吊线灯 track / li ne lamp / light 格栅灯 grille lamp / light 镜前灯 mirror fron t lamp / light 镜画灯 picture lamp / light 吊线灯 track / li ne lamp / light 水珠灯 water pearl lamp / light 导轨灯 track lamp / light 柱灯 pillar lamp / light蒂凡尼灯 tiffa ny lamp / light 风水灯 water fountain lamp / light 户外灯 outdoor lamp / light 路灯 street lamp / light筒灯 dow n lamp / light 投光射灯 spot lamp / light 庭院灯 garde n lamp / light 草坪灯lawn lamp / light草地灯 lawn lamp / light 防水灯 water proof lamp / Un der water lamp柱头灯 water jet lamp / light 水底灯 un derwater lamp / light 户外壁灯 outdoor wall lamp / light 组合灯 assembled lamp / light 太阳能灯 solar lamp / light 彩灯 holiday lamp / light 彩虹灯 rainbow lamp / light 烟花灯 firework lamp / light 水珠灯water pearl lamp / light导轨灯track lamp / light花灯(ceiling lamp )舞台灯（stage lamp ）应急灯（ emergency lamp ) 花/节日灯(flower/holiday lamp ) 夹灯（clip lamp ）走线灯 (halogen wire lights ) 云石灯（ marble lamp ) 玻璃灯 (glass lamp ) 火炉灯（ stove lamp ) 纱灯(tiffany lamp ) 铁艺灯（ iron art lamp ) 烛灯(candle lamp ) 壁画灯（ fresco lamp ) 护眼灯(eye-protection lamp ) 音乐灯（ music lamp ) 窗帘灯 (curtain lamp ) 嵌灯(recessed lamp ) 投光灯 (projection lamp ) 筒灯（down lamp ）射灯(reflector lamp )户外灯具系列专业词汇景观灯（ Iandscape lamp ) 户外灯 (outdoor lamp ) 草坪灯（ lawn lamp )工程灯 (engineering lamp )室内灯具系列专业词汇天高杆灯(high-pole lamp )指示灯(indicator light )埋地灯(underground lamp )工厂灯(factory lamp )庭院灯(yard lamp)广场灯(square lamp )防潮灯(moisture-proof lamp )椰树灯(coconut lamp )不锈钢灯(sta ini ess steel lamp )探明灯(search lamp )隧道灯(tunnel lamp )烟花灯(firework lamp )壁灯(wall lamp )桥梁灯(bridge lamp )路灯(street lamp )柱头灯(pillar lamp )水底灯(underwater lamp )网灯(net lamp)线灯(line lamp)造型灯(sculpt lamp )门牌灯(doorplate lamp )彩虹灯(rainbow lamp )泛光灯(floodlight)墙角灯(corner lamp )灯具名称中英文对照灯具名称中英文对照零件类之冲压模具常用中英文对照表punch冲头insert入块(嵌入件)deburring punch 压毛边冲子groove punch 压线冲子stamped punch 字模冲子round punch 圆冲子baffle plate 挡块located block 定位块support ing block for locatio n 定位支承块air-cushi on eject-rod 气垫顶杆stiffe ning rib punch = st in ger 力口强筋冲子 reel-stretch punch 卷圆压平冲子 block 滑块固定块active plate 活动板 upper mid plate 上中间板lower sliding plate 下滑块板 upper holder block 上压块spring box 弹簧箱spri ng-box eject-rod 弹簧箱顶杆 spri ng-box eject-plate 弹簧箱顶板Leak light test Chromaticity testGasket performa nce Impact resista nce test Heatresista nce test Vibration resistance testMoisture and heat resista nce cycle test Water proof testChemical resistance test Accelerated weathering testHeat foggi ng test Heat agi ng testThrough-Drai n-Hole water pouri ng test Steel ball impact test In side pressure testQuality of colored (coati ng) bulb1.概述灯具是人们用作照明的器具，由于结构和安装地点不同，其照明效果也不一样。

新概念英语第三册第41课NCE3_lesson41(共63页)

eg. Captain is an inferior rank to major. 上尉是低于少校的一个官阶
He felt inferior to his older sibling. 他感到比他的兄妹们低一等。
These goods are inferior to sample. 这些货物质地不如样品。
The woman used all her wiles to tempt him into following her. 那女人用尽了自己的诱骗本领勾引着他尾随而去。
The steaming apple pie tempted him to disregard his diet. 那热气腾腾的苹果馅饼把他诱惑得不去顾及自己需要节食
be in raptures over/about sb./sth., go/fall into raptures over/about sb./sth. 对... 狂喜, 对... 狂热, 对... 着迷, 对... 欣喜若狂 eg. We listened with rapture to the famous scientist’s lecture. 我们凝神静听那位著名科学家的讲座。 He gazed at the girl he loved with rapture. 他喜不自胜的看着自己心爱的姑娘。
• undertaking n. A task or an assignment undertaken; a venture. A guaranty, an engagement, or a promise. The profession or duties of a funeral director.任务；承担的任务；事业; 保证、约定或许诺; 丧葬事宜，殡仪业丧葬指导者的职业和责任

外研社新概念英语等级考试真题

外研社新概念英语等级考试真题The New Concept English (NCE) exams by Foreign Language Teaching and Research Press (FLTRP) have been a subject of both intrigue and perplexity for English learners across the globe. Positioned as a benchmark for English proficiency, these exams have drawn attention for their rigorous content and structure. As we delve into the world of NCE exams, we uncover a landscape that challenges learners and educators alike.For many English learners, the NCE exams represent a pivotal milestone in their language journey. The exams, structured across different levels, aim to assess and validate the proficiency of learners in various language skills such as listening, speaking, reading, and writing. However, despite their popularity, navigating through the intricacies of these exams often leaves candidates bewildered.One of the key aspects of the NCE exams is their authentic approach to testing language skills. The exam papers arecrafted to reflect real-life situations, making them a comprehensive evaluation of one's language ability. From everyday conversations to academic texts, the exams cover a wide array of topics, challenging candidates to demonstrate their grasp of English across different contexts.Listening comprehension, a crucial component of the NCE exams, presents a unique set of challenges. Candidates are required to comprehend spoken English in various accents and speeds, mirroring the diversity of the language in the real world. This demands not only linguistic competence but also sharp listening skills and the ability to infer meaning from context—a feat that often leaves test-takers grappling for answers.Moving on to the reading section, candidates encounter passages that test not only their comprehension but also their analytical skills. From understanding the main idea to discerning implicit meanings and authorial intent, each question demands careful attention to detail. Moreover, the reading materials span a range of genres and styles, from articles and essays to fiction and non-fiction, adding tothe complexity of the task.The writing component of the NCE exams presents its own set of challenges. Candidates are tasked with expressing their ideas coherently and succinctly within a given timeframe. Whether it's crafting essays, letters, or reports, they must demonstrate not only linguistic accuracy but also creativity and critical thinking. This requires a deep understanding of English grammar and vocabulary, coupled with the ability to organize thoughts effectively—a tall order for many test-takers.Speaking, often considered the most daunting part of the exams, puts candidates on the spot, requiring them to communicate fluently and spontaneously. From discussing familiar topics to giving presentations and participating in simulated conversations, every aspect of spoken English is put to the test. Navigating through these tasks requires confidence, quick thinking, and the ability to adapt to various communication styles—a daunting prospect for even the most seasoned learners.Despite the challenges they pose, the NCE exams serve as a valuable tool for learners and educators alike. They provide a clear framework for assessing English proficiency and offer a roadmap for language development. However,their complexity also underscores the need for comprehensive preparation and effective study strategies.In conclusion, the NCE exams, with their authentic approach and rigorous testing standards, stand as a testament to the complexities of English language learning. While they may be daunting for many, they also represent an opportunityfor growth and achievement. With dedication, practice, and a clear understanding of the exam format, aspiring candidates can navigate through the challenges and emerge victorious in their language journey.。

NCE N-Channel Enhancement Mode Power MOSFET 商品说明书

NCE N-Channel Enhancement Mode Power MOSFETDescriptionThe NCE30H15K uses advanced trench technology and design to provide excellent R DS(ON) with low gate charge. It can be used in a wide variety of applications.General Features● V DS =30V,I D =150AR DS(ON) <4.0 m Ω @ V GS =10V R DS(ON) <5.0m Ω @ V GS =4.5V● High density cell design for ultra low Rdson ● Fully characterized avalanche voltage and current ● Good stability and uniformity with high E AS ● Excellent package for good heat dissipation ● Special process technology for high ESD capabilityApplication● Power switching application● Hard switched and high frequency circuits ● Uninterruptible power supply100% UIS TESTED!100% ∆Vds TESTED!Schematic diagramMarking and pin assignmentTO-252-2L top viewPackage Marking and Ordering InformationDevice MarkingDeviceDevice PackageReel SizeTape widthQuantityNCE30H15K NCE30H15K TO-252-2L-- -Absolute Maximum Ratings (T C =25℃unless otherwise noted)Parameter Symbol Limit UnitDrain-Source Voltage V DS 30 V Gate-Source Voltage V GS ±20 V Drain Current-ContinuousI D 150 ADrain Current-Continuous(T C =100℃) I D (100℃) 105 A Pulsed Drain Current I DM 600 A Maximum Power Dissipation P D 130 W Derating factor0.87 W/℃Single pulse avalanche energy (Note 5)E AS 1700 mJOperating Junction and Storage Temperature RangeT J ,T STG-55 To 175℃Thermal CharacteristicThermal Resistance,Junction-to-Case (Note 2)R θJC1.15/W ℃Electrical Characteristics (T C =25℃unless otherwise noted)ParameterSymbolCondition Min Typ Max UnitOff CharacteristicsDrain-Source Breakdown Voltage BV DSS V GS =0V I D =250μA 30 35 - V Zero Gate Voltage Drain Current I DSS V DS =30V,V GS =0V -- 1 μA Gate-Body Leakage Current I GSS V GS =±20V,V DS =0V - - ±100 nA On Characteristics (Note 3) Gate Threshold VoltageV GS(th) V DS =V GS ,I D =250μA 1.2 1.7 2.5 V V GS =10V, I D =20A - 3 4Drain-Source On-State Resistance R DS(ON) V GS =4.5V, I D =10A 4.4 5 m ΩForward Transconductance g FSV DS =10V,I D =20A 32 - - SDynamic Characteristics (Note4) Input Capacitance C lss - 5000 - PF Output CapacitanceC oss - 1135 - PFReverse Transfer Capacitance C rss V DS =15V,V GS =0V,F=1.0MHz- 563 - PFSwitching Characteristics (Note 4) Turn-on Delay Time t d(on) - 26 - nSTurn-on Rise Time t r - 24 - nS Turn-Off Delay Time t d(off) - 91 - nSTurn-Off Fall Time t fV DD =15V,I D =2A,R L =15Ω V GS =10V,R G =2.5Ω - 39 - nSTotal Gate Charge Q g - 38 nCGate-Source Charge Q gs - 9 nCGate-Drain ChargeQ gd V DS =15V,I D =30A,V GS =10V- 13 nC Drain-Source Diode Characteristics Diode Forward Voltage (Note 3) V SDV GS =0V,I S =10A -1.2 V Diode Forward Current (Note 2)I S - - 150 A Reverse Recovery Time t rr - 42 - nS Reverse Recovery Charge Qrr TJ = 25°C, IF = 40Adi/dt = 100A/μs (Note3)- 39 - nCForward Turn-On Timet onIntrinsic turn-on time is negligible (turn-on is dominated by LS+LD)Notes:1. Repetitive Rating: Pulse width limited by maximum junction temperature.2. Surface Mounted on FR4 Board, t ≤ 10 sec.3. Pulse Test: Pulse Width ≤ 300μs, Duty Cycle ≤ 2%.4. Guaranteed by design, not subject to production5. E AS condition : Tj=25℃,V DD =20V,V G =10V,L=1mH,Rg=25Ω，I AS =58.5ANCE30H15K Test circuit1) E AS Test Circuit2) Gate Charge Test Circuit3) Switch Time Test CircuitTypical Electrical and Thermal Characteristics (Curves)Vds Drain-Source Voltage (V)Figure 1 Output CharacteristicsVgs Gate-Source Voltage (V)Figure 2 Transfer CharacteristicsI D - Drain Current (A)Figure 3 Rdson- Drain CurrentT J -Junction Temperature(℃)Figure 4 Rdson-JunctionTemperatureQg Gate Charge (nC)Figure 5 Gate ChargeVsd Source-Drain Voltage (V)Figure 6 Source- Drain Diode ForwardR d s o n O n -R e s i s t a n c e (m Ω)I D - D r a i n C u r r e n t (A )I D - D r a i n C u r r e n t (A )N o r m a l i z e d O n -R e s i s t a n c eV g s G a t e -S o u r c e V o l t a g e (V )I s - R e v e r s e D r a i n C u r r e n t (A )Vds Drain-Source Voltage (V)Figure 7 Capacitance vs VdsVds Drain-Source Voltage (V)Figure 8 Safe Operation AreaT J -Junction Temperature(℃)Figure 9 BV DSS vs Junction TemperatureT J -Junction Temperature(℃)Figure 10 V GS(th) vs Junction TemperatureI D - D r a i n C u r r e n t (A )C C a p a c i t a n c e (p F )Square Wave Pluse Duration(sec) Figure 11 Normalized Maximum Transient Thermal Impedancer (t ),N o r m a l i z e d E f f e c t i v e T r a n s i e n t T h e r m a l I m p e d a n c eTO-252 Package InformationDimensions In Millimeters Dimensions In Inches SymbolMin.Max.Min.Max.A 2.200 2.400 0.087 0.094A1 0.000 0.127 0.000 0.005b 0.660 0.860 0.026 0.034c 0.460 0.580 0.018 0.023D 6.500 6.700 0.256 0.264D1 5.100 5.460 0.201 0.215TYP.D2 4.830TYP. 0.190E 6.000 6.200 0.236 0.244e 2.186 2.386 0.086 0.0940.386 0.40910.400L 9.800L1 2.900 TYP. 0.114 TYP.L2 1.400 1.700 0.055 0.067 L3 1.600 TYP. 0.063 TYP.L4 0.600 1.000 0.024 0.039 Φ 1.100 1.300 0.043 0.051 θ0°8°0°8°h 0.000 0.300 0.000 0.012V 5.350 TYP. 0.211 TYP.Attention:■Any and all NCE power products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your NCE power representative nearest you before using any NCE power products described or contained herein in such applications.■ NCE power assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all NCE power products described or contained herein.■Specifications of any and all NCE power products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer’s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer’s products or equipment.■ NCE power Semiconductor CO.,LTD. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design.■ In the event that any or all NCE power products(including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law.■No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of NCE power Semiconductor CO.,LTD.■Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. NCE power believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.■ Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the NCE power product that you intend to use.■This catalog provides information as of Sep.2010. Specifications and information herein are subject to change without notice.。

PV1503_EN_2003-03-01蒸汽喷射

Confidential. All rights reserved. No part of this document may be transmitted or reproduced without the prior written permission of a Standards Department of the Volkswagen Group.Parties to a contract can only obtain this standard via the responsible procurement department.© VOLKSWAGEN AGT h e E n g l i s h t r a n s l a t i o n i s b e l i e v e d t o b e a c c u r a t e . I n c a s e o f d i s c r e p a n c i e s t h e G e r m a n v e r s i o n s h a l l g o v e r n .Page 2PV 1503: 2003-033.2 Specimen preparation3.2.1 Unloaded steam jet test (as-received condition)Conditioning of painted plastic parts for 48 h at 50 °C or 24 h at 60 °C followed by aging in the DIN 50 014 – 23/50-2 standard climate.Conditioning of painted metallic exterior parts and parts of the chassis for 24 h in the DIN 50 014 – 23/50-2 standard climate.3.2.2 Steam jet test after loading (e.g. 240 h according to DIN 50 017 KK)Conditioning of the specimens before the steam jet test after loading (e.g. 240 h according to DIN 50 017 KK).Acclimatization of the plastic parts for 24 h in the DIN 50 014 – 23/50-2 standard climate.3.3 Test conditions and setting parametersSee Table 1.Table 1No. Parameter PV 1503A PV 1503B1 Preset working pressure(depending on device type and hose length) (90 ± 5) bar2 Outlet temperaturemeasured 10 cm from the nozzle (60 to 70) °C3 Impact pressuremeasured 15 cm from the nozzleat an angle of 90°(19 ± 2) N4 Nozzle typedepending on device manufacturer Spraying Systems TP2505 EG NIFAB 25065 Distance from nozzle to specimen = 15 cm To be used for paint coatings of any type onplastic and metal on the exterior of thevehicle (requirements according to TechnicalSupply Specification).6 Distance from nozzle to specimen = 5 cm - To be used forlow-temperaturepaint coating(e.g. 90 °C)on all substrates,see No. 12for control limit,paint flakes 3 mm²are permissible at thepoint of intersectionof the St. Andrew'scross or alongthe intersectinglegs of theSt. Andrew's cross.Page 3PV 1503: 2003-03No. Parameter PV 1503A PV 1503B7 Distance from nozzle to specimen = 2 cm - To be used for high-temperature paintcoating (140 °C);control limit andrequirementas for No. 6.8 Angle of jet 45°90°9 Duration of spraying Spraying acc. toFigure 1 1 x 20 s, slight swinging movement, even spraying above the point of intersection of the St. Andrew's cross.10 Nozzle alignment Along the intersectinglegs of theSt. Andrew's cross Point of intersection of the St. Andrew's cross on the specimen11 Spray pattern(check of the setting parameters) Material to be used: Styroform RTM from Stadur-Süd GmbH, procedure according to 3.4.112 Control limit Paint flakes ≥3 mm² and an acceptabletest result at 15 cm (distance from nozzle tospecimen) indicate a test result that is stillacceptable. However, the paint adhesion ofthe specimen must be optimized and thespecimen must be resubmitted.1 x 20 s at 45° angle 1 x 20 s at 45° angleFigure 1 – Duration of spraying for test according to PV 1503AandPage 4PV 1503: 2003-033.4 Procedure3.4.1 Check of the spray patternThe spray pattern is checked using an extruded polystyrene hard foam (see Section 3.3, Table 1, No. 11) with a closed cell structure and flame-retardant additive. The Styroform block is placed in a clamp and the test is carried out with a distance of 12 cm between the nozzle and the block.The penetration depth of the spray jet shall not exceed 5 mm and the spray pattern length shall not exceed 10 cm.3.4.2 Procedure with specimensA crosscut (St. Andrew's cross) is made in the specimen according to DIN EN ISO 7253 (the paint structure must be scribed down to the substrate).The specimen is then subjected to the steam jet under the conditions specified in Section 3.3.3.5 EvaluationThe specimen is visually inspected for any evidence of detachment of the paint surface after spraying with the steam jet.The evaluation is based on the degree of damage (length of the detached area at the St. Andrew's cross in mm). Minor flakes up to 1 mm caused by bad cutting at the crosscut will be disregarded from the evaluation.4 Referenced standards*)DIN 50 014 Climates and their Technical Application; Standard AtmospheresDIN 50 017 Atmospheres and their Technical Application; Condensation Water Test AtmospheresDIN EN ISO 7253 Paints and Varnishes – Determination of Resistance to Neutral Salt Spray (Fog)*)In this section, terminological inconsistencies may occur as the original titles are used.。

2024年新概念英语NCE3_lesson42(共37页)课件

separate adj. 分开的，不同的，单独的，各自的 We don't have a separate dining room—the living area is all
one. 我们没有单独的饭厅——活动空间都在一处。 v. 分开，隔开，区分，分居，脱离 Even numerous mountains and rivers cannot separate our
aloneness n. n. 孤独感，单独 When a person cannot kill aloneness or find no one to
communicate, no one to understand his life, the people will get angry. 当一个人不能打发孤独,找不到可以交流的人,没有人能理解他, 便会积怨于心。
New words and expression
Loneliness in a gloomy raining day may be unbearable to him. 对他来说，阴郁的雨天的寂寞是难以忍受的。
lonely adj. 寂寞的，荒凉的 A lonely star shone out against the black sky. 一颗孤星在黑色的夜空中闪闪发亮。
isolation n. 隔离，孤立 The old man lives in isolation in the forest. 老人独自一人在森林中居住。 The patient was taken to the isolation ward. 这病人被移往隔离病房。
New words and expression
friendship. 纵然是万水千山也隔不断我们的情谊。