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1、2022年高中英语 Unit1 Tales of the unexplained Word power导学案 牛津译林版必修2Learning objectives: 1. To learn some terms for space exploration. 2. To enlarge vocabulary by learning .预习导航用方框内所给短语的适当形式完成下列句子。take off take charge of rule out dream of leave outlook into run into step up show up carry out1. The local
2、government has _ _ a campaign against bird flu.2. The possibility of his stealing money from class cannot be _ _, for no evidence can prove his absence at that time.3. The department was badly organized until she_ _ it.4. I should never have_ _ being a drug user.5. you have made a mistake- youve _ _
3、the letter.6. He promised to e, but he didnt_ _, which made me very angry.7. It is high impossible to _ _ this plan.8. Due to his careless plan, the project is_ _ financial difficulties.9. With the development of the internet, making friends through internet has _ _ in recent years.10. A special org
4、anization has been set up to _ _ his corrupt practices.合作探究【有疑有问议一议】Step 1 Brainstorming Think about the following questions：1).What achievements have humans made so far in space exploration? 2).Who was the first man to travel in space? 3).When did the first man land on the moon? And how? Step 2：Voc
5、abulary learning1、与太空旅行有关的词汇：space太空robotic spacecraft机器人宇宙飞船outer space外层空间，太空artificial satellite人造卫星Space exploration太空探险orbit轨道astronaut宇航员space station空间站spacesuit太空服lunar missions月球探测使命spaceship宇宙飞船lifting推升launch发射return返航rocket火箭carrier rocket运载火箭Space shuttle航天器launch pad发射台Tracking ship跟踪船
6、Launch tower发射塔craft飞船lunar landing登陆月球manned spaceflight载人航天spacewalk太空行走separation分离break free挣脱, 脱离1、 Read the second part of the scientists speech and plete Part C individually according to the instructionsWell then check the answers巩固拓展【知识深化提一提】 有关九大行星的英语单词TheNine Planets九大行星Venus金星Jupiter木星Mer
7、cury水星Mars火星Saturn土星Uranus天王星Neptune海王星Pluto冥王星Earth地球与天体有关的词汇：sphere天体，星meteorite陨星solar system太阳系nebula星云galaxy银河系orbit轨道satellite卫星equator赤道asteroid小行星longitude经度et彗星revolution公转shooting star流星gravity重力Module 2 Unit 1 Tales of the unexplained Period 4 Grammar and usage (1)Learning aims :1. To lea
8、rn the basic forms of present perfect tense and present perfect continuous tense.2. To learn to use them in different situations.Important points and difficult points:To learn state verbs and action verbs in different situations.预习导航翻译下列语句，注意所用时态。1. 你去过北京吗？ 2. 你工作已完成了吗？ 3. 她回来已一周了。 4. 在过去的十年里，这里发生了巨
9、大的变化。 5. 这是我第一次来这里。 6. 这是我所看过的最好的电影。 合作探究1、现在完成时A. 现在完成时的构成现在完成时由havehas+过去分词构成。B. 常与现在完成时连用的时间状语1 表示过去的事或动作对现在有影响，动作的时间不明确、不重要或动作刚结束，一般可用already(用于肯定句或疑问句)、yet(用于否定句或疑问句)、ever、just、recently、lately never等。除此之外，before也可用于现在完成时。 The boy has already e home I havent heard anything from him yet/ recently
10、lately. The police have just finished searching the area Ive met the old man somewhere before2 表示动作从过去开始，并一直延续到现在，一般可用forsince短语或由since引导的时间状语从句。在介词for后一般跟表示一段时间的短语，在since后一般跟表示某个时间的短语，或表示过去时间的状语从句。 We havent seen him for two yearssince 2002 We havent seen him since he left Nanjing3 表示反复发生的动作，一般可用数词
11、+times、recently和lately等。 Some villagers say that they have seen UFOs many times/ recentlylatelyC. 通常使用现在完成时的几种情况1 表示过去发生的事对现在仍有影响。The disappearance of Justin has made Kelly very unhappy(Justin在过去失踪，但Kelly至今仍旧为他的失踪感到不高兴) 2 表示过去开始的动作一直延续到现在。 I havent seen Justin since last Friday night(从上周五晚上到现在一直都没有见到过3 表示动作的确切时间不明确或不重要。 The boy has already e home(男孩已经回家，但没有指出何时回家)4 表示刚结束的动作。 The police have just finished searching the area(警方刚结束对该地区的搜查)5 表示反复发生的动作。 Some villagers say that they have seen UFOs many times(村民们曾多次看到UFO)2、现在完成进行时 A. 现在完成进行时的构成现在完成进行时由havehas been+动词-ing形式构成。B.
