高中(北师大版)英语必修1课件：Unit 2 Heroes2.2

课内研析探究
calm vt.& vi.(使)平静；(使)镇定 adj.平静的；镇静的；沉着的 (朗文)I waited until I’d calmed down a little，then went to talk to her.我等自 己略微平静一些之后去找她谈了话。 calm down 平静下来 calm sb.down 使某人平静下来；使某人镇定下来 keep calm 保持镇静
②He accidentally let out that he hadn’t been home for three weeks.他无意中 泄露出他已经三个周没回家了。
let down 使失望 let alone 更不用说，更别提 let in 让……进来，放进
③Open the window and let some fresh air in. 打开窗户，放点新鲜空气进来。 ④We don’t know their names；let alone make a phone call to them.我们连他 们的名字都不知道，更别提打电话给他们了。 ⑤I don’t want to let my parents down.我不想让父母失望。
4．句型展示：We were driving along a country lane when suddenly a car drove past us.
当我们开车行驶在乡间小路上时，一辆车突然疾驰而过。 名师指津：be doing...when...表示“正在做……这时/那时……”。 句式仿写：孩子们正在操场上踢足球，这时突然下起了雨。 The children were playing football on the playground when it began to rain.
generous adj.慷慨的，大方的；宽厚的；大量的 be generous with sth.在……方面大方，不吝啬…… be generous in doing sth.乐于做某事 be generous to sb.对某人宽容/大方 It’s generous of sb.to do sth.做某事对某人来说很慷慨
hundred，thousand，million，billion 等前有具体数词修饰时， 这些词不能用复数形式。
②The number of cars in our city is increasing by two hundred a day.我们城 市汽车的数量每天增加二百。
③The company employs 30 thousand people. 公司雇用着三万名员工。
与……分离 因为，由于 起飞，升空，发射 释放，发出，泄露 从……中选择/挑选 数百万 复习，巩固 第六次
Ⅲ.重点句型 1．句型展示：The spaceship，called ShenZhou Ⅴ，was carrying China’s first astronaut，Yang Liwei. 这艘命名为“神舟五号”的宇宙飞船载着中国第一位宇航员杨利伟飞向太 空。 名师指津：called Shenzhou Ⅴ 是过去分词短语作后置定语，相当于定语从 句 which was called Shenzhou Ⅴ。 句式仿写：Most of the teachers invited to the Christmas party were young ones. 大部分被邀请参加圣诞晚会的都是年轻老师。
2．句型展示：When the spaceship was doing its seventh circle，Yang Liwei showed the flags of China and the United Nations，expressing the wishes of the Chinese people to explore and use space peacefully.
let out 放出；发出(叫喊等)；放宽，放大(衣服等) (教材 P23)When Shenzhou V let out its parachute，I felt the ship was shaking. “神舟五号”释放降落伞时，我感到飞船在颤动。 ①Throwing their hats into the air，the fans of the winning team let out loud shouts of victory.获胜队的粉丝们发出胜利的欢呼声，同时大家都将帽子抛向了空 中。
①Calm down！There is nothing to worry about. 镇静下来！没有什么可担心的。 ②He took a few deep breaths to calm himself down. 他深深地吸了几口气，使自己平静下来。 ③You must keep calm in face of danger. 面对危险你必须保持镇静。
5．gravity
E．to move your arm or hand from side to side to attract
one’s attention or greet sb. 6．atmosphere F．the mixture of gases that surround the earth
feeling 3．astronaut C．qualities that make someone a particular kind of person
4．character D．a person whose job involves travelling and working in a
spacecraft
帕特手里拿着一个吹风机在浴室里，这时她听到一阵响声。 名师指津：with a hairdryer in her hand 为 with 复合结构，其构成为：with ＋宾语＋宾补。 句式仿写：With the exams coming next week，I have no time to meet you. 由于下周就要考试了，所以我没时间与你见面了。
Section Ⅱ Warmup & Lesson 1—Language points
课前自主预习
Ⅰ.重点单词
1．calm
A．willing to give money，spend time etc.in order to help
people or give them pleasure 2．generous B．quiet and without excitement，nervous activity or strong
millions of 数百万 (教材 P23)Millions of people all over China were watching TV when the spaceship landed safely.在飞船安全着陆的时刻，全中国数百万人民都在观看电视 直播。 ①Millions of people in the world are sending information by e-mail every day. 每天世界上有数百万人通过电子邮件发送信息。
character n．[C]人物，角色；汉字，字符；[U，C]性格，特性 (教材 P21)Scar is a cruel and dangerous character in Lion King.在《狮子王》 中，斯加是个残忍危险的人物。 in character 符合……的个性 out of character 不符合……的个性
①John is of good character，so he is respected and loved by everyone in the neighbourhood.
约翰品性好，社区里的人都尊敬他、喜欢他。 ②Her behaviour last night was completely out of character. 她昨晚的行为与她的性格极其不符。 ③He described the character of the character he played with two characters. 他用了两个汉字来描绘他所扮演的人物的性格。
易混辨析：separate 与 divide separate 指把原来各自独立但混在一起的东西分开。separate 常与 from 连用 divide 指把整体自然地或有计划地划分为几个部分。divide 常与 into 连用
③Please divide this apple in half/into halves. 请将这个苹果分成两半。 ④As we joined the big crowd，I got separated from my friends.当我加入一大 群人时，我和朋友们走散了。
句式仿写：I sat in front of the screen watching Tiangong-1 flying into space. 我坐在荧屏前观看“天宫一号”发射升空。
3．句型展示：Pat was in the bathroom with a hairdryer in her hand when she heard a crash.
separate from 与……分离 (教材 P22)When the spaceship separated from the rocket，I suddenly got a feeling of soaring into the sky because of the zero gravity.当宇宙飞船与火箭分离 时，由于地心引力的消失，我突然有一种急速升空的感觉。 ①The old lady spent nearly two hours separating the good apples from the bad ones.那位老妇人花费了将近两个小时的时间把好苹果和坏苹果分开。 ②They are such good friends that they can hardly separate from each other. 他们是这么好的朋友，简直分不开。
宇宙飞船飞到第七圈时，杨利伟(在飞船上)展示了中国国旗和联合国国旗， 代表中国人民向全世界表达了和平开发并利用太空资源的意愿。
名师指津：expressing the wishes of the Chinese people to explore and use space peacefully 是现在分词短语在句中作伴随情况。
①I’d like to thank Simon，who’s been very generous with his time.我想感谢 西蒙，他非常慷慨地投入了许多时间。
②He was generous to his family and friends. 他对家人和朋友很宽容。 ③It was generous of him to offer to pay for us both. 他主动为我们俩付钱，真是大方。
7．wave
G．the force that attracts objects in space towards each
8．violent
other H．involving or caused by physical force that is intended to
hurt or kill sb.
Ⅱ.重点短语 1．_s_e_p_a_r_a_t_e_f_r_o_m_____ 2．_b__ec_a_uf_f___________ 4．_l_e_t_o_u_t___________ 5．_c_h_o_o_s_e__fr_o_m_______ 6．_m__i_ll_io_n_s__o_f_______ 7．_g_o__o_v_e_r__________ 8．_f_o_r_t_h_e__si_x_t_h_t_i_m_e__