人教版2013年八年级英语上册Units 3—4复习课件

◎即学即用8： ( C )Don’t forget ________ the lights when you leave the room. A. turning off B. turning on C. to turn off D. to turn on
2. get to, arrive at/in, reach
(4)How excited they were when they reached the top of Mountain Huang!
3. a number of, the number of ◎观察思考 A number of apples are red. 许多苹果是红色的。 学生的数量是2000人。 The number of students is 2000. ◎归纳拓展 a number of意为“许多，大量”，等于a lot of一类。 后面 接名词复数，谓语动词用复数。 the number of意为“……的数量”，后面也接名词复数， 谓语动词用单数。
第9课 八年级上册 Units 3—4
重点词汇与短语
decide
◎观察思考 He thought about going to Greece or Spain, but decided
on Canada.
他考虑过去希腊或西班牙，但决定去加拿大。 They decided to start off at once.
D. would leave
(2)We will leave for Beijing next month. We’ll have a meeting there.
3. finish doing ◎观察思考 I just finish making my last movie. 我刚刚完成上部影片的拍摄。 ◎归纳拓展 finish动词，意为“完成，结束”，后跟名词或 ving形式。 表示“完成某事；做完某事”。 用法类似的词有：enjoy，practice，mind，keep，suggest， consider，look forward to等。
◎归纳拓展
it用作实词，表达以下概念：指代前文提到的事物；指代前
文中的this, that；替代前文中的内容；指代一位性别不明的 小孩或未知的人；指代未指明但谈话双方都知道的那件事；
指代时间、天气、气候、距离等自然现象。
it 作形式主语或形式宾语。 it 用于强调句型(It...that...)。
◎归纳拓展
leave动词，意为“离开；把……留下，剩下”。
leave for意思是“前往”，for后的地点是表示要去的目的地。 leave sth. sp.把某物忘在某处。
have sth. left 剩下某物。
相关短语： leave one by oneself把某人独自留下； leave a message留口信。
不能接任何介词。
◎即学即用9：
(1)When I arrived
at
the station, the train had left.
(2)As soon as she arrives in New York, please give me a ring. (3)He often gets to his office ten minutes earlier.
◎观察思考
When did you get to the station yesterday？ 你昨天什么时候到达火车站？
He arrived in Nanning last week.
他上个星期到南宁。 Please send me a short message when you reach Beijing.
◎归纳拓展 take, cost, spend, pay 都为动词，都有“花费”的意思。
It take sb. some time to do sth. 是常用句型，意为“花费某人多少
时间干某事”，其中it是形式主语，指“干某事”。 cost一般用某物来做主语，表示“(某物)值……、花费……”，既
长城有多宽？
这座建筑物有多高？
how far 意为“多远”，用于询问两地间的距离。 How＋形容词……？ 表示疑问：多少/远/长/高/……？ from... to... 表示“从……到……”。
◎即学即用6： (1)How old is the baby? It is about eight months. (2)How tall is the tree? It’s about 4 meters tall. (3)It’s about 2 kilometers from my home to the cinema.
当你到北京的时，请发短信给我。
◎归纳拓展
都意为“到达”，但区别如下：
arrive ＋ in ＋ 大地方(国家、城市等); arrive ＋ at ＋ 小地方(村 庄、车站、码头等)。
get to ＋ 地点名词。
reach ＋ 地点名词。 注：当reach、arrive、get后接地点副词here、there、home时，
◎即学即用10：
( A )—What ________ the number of students in your school? —About two thousand. A number of them ________ from
England.
A. is; are
C. are; is
B. is; is
易混辨异
1. forget to do sth., forget doing sth.
◎观察思考
I forgot to tell him the news. 我忘记告诉他这个消息了。
I forgot telling him the news.
我忘了我曾告诉过他这个消息。 ◎归纳拓展 forget to do sth.意思是“忘记做某事”，实际上还没做。 forget doing sth.意思是“忘记做过某事”，实际上已经做过了。 类似用法Байду номын сангаас词有：remember, regret等。
能指花费时间也能指花费金钱。
spend一般用某人作主语，表示“(某人)花费……，付出……”，也 能指花费时间或金钱，指时间时常与in搭配(in可省略)后接ving形
式，指金钱时常与on搭配。
pay用作动词时，一般也以某人作主语，但一般指花钱、付款等， 常与for搭配使用。
◎即学即用7：
(1)The new bike cost me 300 yuan.
重点句型
1. How far is it from his home to his school? ◎典例体验 How long is the river? How old are you? 这条河有多长？ 你多少岁？
How wide is the Great Wall?
How tall is the building? ◎归纳拓展
◎即学即用1：
(1)They decided to fly kite on weekend.
他们决定在周末去放风筝。 (2)Betty decides on the red skirt. 贝蒂选定了那条红裙子。
2. leave ◎观察思考 We left Shanghai for Beijing two years ago. 我们两年前离开上海去了北京。 Mr. Li, I left a book at your home yesterday. 李先生，我昨天落了一本书在你家里。 I have little money left. 我几乎没剩下多少钱了。
◎即学即用3： ( D )I didn’t finish ________ my test because I ran out of time. A. write B. to write C. to writing D. writing
4. go bike riding ◎观察思考 I often go bike riding with my friends on sundays. 星期天我通常和朋友们一起去骑车兜风。 It’s too hot. Let’s go swimming this afternoon.
他们决定马上出发。
I can’t decide what to do. 我不能决定该干什么。
◎归纳拓展 decide 动词，意为“决定”；名词形式为decision，make a decision 做决定。 decide on sth. 就某事决定。 decide to do sth. 决定做某事。 后可接“ 特殊疑问词＋动词不定式”作宾语。
◎即学即用5： (1)How old is the baby? It is about eight months.
(2) It was wet all day yesterday. (3)She found it easy to finish all the exercises.
(4)It was a dictionary that I found on the playground yesterday.
leaves 又可作为leaf(树叶)的复数形式。
◎即学即用2：
( C )(1)Chen Guangbiao says he ________ all his money to charities when he dies. (2011临沂)
A. leaves B. left
C. will leave
太热了，我们下午去游泳吧。
◎归纳拓展 go＋现在分词，表示“要进行某种活动”。 常见短语有：go boating去划船，go fishing去钓鱼，go climbing 去爬山，go sightseeing去观光，go hiking去徒步旅行。
◎即学即用4： Hangzhou is a good place to go sightseeing . 杭州是一个观光的好地方。
(2)We spent two days in repairing this machine. (3)Mr. Lee spends $20 on books every month. (4)They (5)It paid 70 yuan for the tickets.
took me several hours to get there last Sunday.
2. It takes about 25 minutes to walk. ◎典例体验 It takes me three hours to do my homework.. 做作业花了我三个小时。 The shirt cost me $20.这件衬衫花了我20美元。 He spent two days collecting the information. 他花了两天时间收集信息。 Mr. Green paid $10 for his bill. 格林先生为他的账单付了10美元。
谁在敲门？我猜是吉姆。 It’s not a good idea for students to copy others’ homework. 对学来说，抄别人的作业不是一个好主意。 She finds it much better to do her own work. 她发现自己做作业要好得多。 It was a watch that I received on my tenth birthday. 我十岁生日那天收到是一块手表。
5. it
◎观察思考 It is 5 kilometers away. It’s very cold today. It’s 5：00. 五点了。 有5公里远。
What’s this? It’s an apple.
这是什么？这是苹果。
今天天气很冷。
Who is knocking on the door? I think it’s Jim.
D. are; are
4. forget, leave ◎观察思考 When we relax on the beach, we often forget the time. 当我们在沙滩上休闲时，我们经常忘记时间。 I left my watch in the library yesterday. 昨天我把手表忘(留)在图书馆了。 ◎归纳拓展 forget与leave都有“遗忘”之意，但二者不能互换。 forget指忘记一件具体的东西(其后没有具体的地点)；忘记做 某事。 leave指把东西忘(落)在了某地，后应接具体的地点。即leave sth. swh.。