2022初中教案外研版初二（下）英语第5讲：unit 3 词汇篇（解析版）.docx

Unit3 词汇篇 ____________________________________________________________________________________________________________________________________________________________________1.熟练掌握重点单词、词组的用法2.理解并运用关于太空探索的话题1. up to:忙于 What are you up to? = What are you doing ? 2. the latest news: 最新的消息3. discover: 发现本已存在的客观事物、科学上的新发现 Columbus discovered America. 哥伦布发现了美洲4. 1) no one = nobody 没有人, 作主语时，谓语动词用单数形式，只指人，不能指物 No one likes this kind of book. 2) None: 可以接of短语，既可以指人也可以指物 None of the coats is red.5. in order to do sth.:为了做某事，表目的，位于句首或句中，可与so as to do sth.相互转换。

He got up early in order to catch the first bus. = In order to catch the first bus, he got up early.6. finish及物动词，意为“完成”finish doing sth.意为“做完某事”7. billions of意为“数以十亿记的；大量的” 基数词+hundred/thousand/million/billion+可数名词复数，表示具体数目 hundreds/thousands/millions/billions+of+可数名词复数，表示约数，意为数百/数千/数百万/数十亿……8. impossible:形容词，不可能的反义词possible:可能的 it is impossible for sb. to do sth. 对某人来说，做某事是不可能的9. adj. / adv. + enough to do sth.:意为“足够……可以做某事” enough作形容词修饰名词时，可以放在名词前，也可以放在名词后；enough作副词修饰形容词、副词或动词时，要放在修饰的词之后。

10. alone: adj. 独自的、单独的 adv. 单独地、独自地 lonely: adj. 孤独的、寂寞的 He lives alone, but he doesn’t feel lonely.11. communicate with sb.: 与某人交流 n. communication交流 We need to communicate with our parents at home.12. just: 刚刚，用于现在完成时，位于助动词后，实义动词前 just now = a moment ago 刚才，常与一般过去时连用，位于句末 I saw an old friend just now.单项选择1.（2014山东聊城东昌府期中）--- .---I'm writing a novel.A. What do you want? B. How do you do? C. How are you? D. What are you up to?2.（2014湖北荆州中考）---Do you have the news about Anna?---I was told she had gone abroad on June 15th, but I don't know whether she is there now.A. latest B. funniest C. longest D. worst3.（2015天津中考）Basketball is so exciting that people play it for fun.A. million B. two millionsC. million of D. millions of4.（2014广东中考）In order for the meeting, my sister forced herself to get up early this morning..A. not to be late B. not being late C. to be late D. being late5.（四川南充中考）---Math is too difficult, I nearly give it up. ---Please don't, nothing is if you put your heart into it.A. important B. impossible C. interesting6.（2014新疆乌鲁木齐中考）---Can you understand me, Tony?---Yes, madam. You speak . I can follow you.A. enough clear B. clear enough C. enough clearly D. clearly enough7.（新疆乌鲁木齐中考）Why not your teacher for help when you can't finish story by yourself?A. to ask, write B. to ask, writing C. ask, writing D. asking, to write解析及答案：1. 结合答语“我正在写小说”可知，所缺的问句是D，该句句意为：你正在干什么，故选D。

2. 答语中提到“有人告诉我她6月15日出国了，但我不知道她现在是否还在那里”，可知问句问的是“你知道关于Anna的最新消息吗”，故选A3. 句意：篮球是如此令人兴奋，以至于数以百万计的人都打篮球取乐millions of是固定搭配，表示“数以百万计的”，故选D4. 句意：为了开会不迟到，我的姐姐今天早上迫使自己早起床in order to do sth.的否定形式为：in order not to do sth.，可知答案为A5. 由上句“数学太难了，我几乎放弃了”可知，下句意为“请别放弃，如果你全心全意去做，没有事情是不可能的”，important重要的；impossible不可能的；interesting有趣的6. enough修饰形容词或副词时应后置，排除A、C两项；分析题干可知，此处修饰动词speak，应用副词形式，故选D7. 固定搭配法Why not do sth.意为“为什么不做某事呢？”，finish后接动词-ing形式，不能接动词不定式，可知答案为C基础演练一、单词拼写(根据中文提示拼写单词)1. The maths problem is too difficult.  (没有) of us can work it out in our class.2. It is  (不可能的) for us to finish the work in such a short time.3. I haven't  (发现) who broke the glass.4. Some  (宇航员) have reached the moon.5. Have you got the  (最新的) news about the drinking and driving in Beijing?6. I haven't received many letters  (最近).7. How can I get the  (信息) on space travel?答案：1. None 2. impossible3. discovered 4. astronauts5. latest 6. recently7. information二、单词拼写(单句首字母填空) 1. None of them has an e   with air, so people and things can't grow.2. The earth is a p  .3. They are a long way away and their light has travelled for many years to r   us.4. We all live in the u  .5. Why has no one c   with us?答案：1. environment 2. planet3. reach 4. universe5. communicated巩固提高三、按要求转换句型1. The traffic was too busy. So they were late. (改为同义句)The traffic was too busy.     they were late.2. They have reached Beijing. (改为同义句)They have     Beijing.3. My brother has just returned from Dalian. (改为同义句)My brother has just     from Dalian.4. My grandfather began to study computer so that he might keep up with times. (改为同义句)My grandfather began to study computer       keep up with times.5. I have learned hundreds of new words. (改为同义句)I have learned     new words.6. I can't run as quickly as my sister. (改为同义句)My sister can run       me.答案：1. 。