Unit4 Discovering Useful Structures课件 2022-2023学年高中英语人教版必修第三册

UNIT 4　SPACE EXPLORATION Book3 Unit4 Discovering Useful Structures 1．_____________ 在控制之中；得到控制 2．__________ 放弃 3．________________ 等不及做某事；迫不及待做某事 4．get married __________ 5．take a very long time _______________ 6．solar system ____________________ 7．due to __________ 8．figure out _________________________ under control give up can't wait to do sth 结婚 花很长的时间 太阳系；类太阳系 由于 弄懂；弄清楚；弄明白 lack n．缺乏；短缺　vt.没有；缺乏 (P42)Astronauts' bones and muscles can get very weak in space due to the lack of gravity, so they need to exericise every day, which will help them stay healthy. 【翻译】由于缺乏重力，宇航员的骨骼和肌肉在太空中会变得非常虚弱，因此他们每天都需要锻炼，这将有助于他们保持健康。 (1)lack vt.没有；缺乏 lack sth.缺少某物 (2)lack n．缺乏；短缺 be lack of…缺少……；缺乏……(后接具体的物质上的事物) be lack in (后接抽象事物如品质、性质、特点) for lack of…因缺少…… 【用法详解】 (3)lack作名词时，后常接介词of；作及物动词时，直接加宾语。 (4)lacking adj.缺少的；不足的 be lacking in缺少(品质、特点等)；在……方面缺乏 What he lacks is not knowledge but experience. 他缺少的不是知识而是经验。 Many small plants in that country closed down for lack of fuel. 由于燃料不足，那个国家的很多小厂都倒闭了。 She seemed to be lacking in frankness. 她似乎不够坦率。 【语境串记】 If the lack of money makes you lack confidence when dealing with others, you may be lacking in some important qualities and opportunities for lack of money. 如果缺钱使你与人打交道时缺乏自信，你可能会因为缺钱而失去一些重要的品质和机会。 【针对练习】 单句语法填空 (1) ________ (lack)money, he had to drop out of school at an early age. (2)Health problems are closely connected with bad eating habits and a lack ________ exercise. (3)He is a boy who is lacking ________ confidence, so you should give him more encouragement. 完成句子 (4)The charges were dropped ________ ________ ________ evidence 指控因证据不足而被撤销。 【答案】(1)Lacking　(2)of　(3)in　(4)for lack of 突 破 语 法 □观察领悟 【例句观察】 ①Some scientists were determined to help humans realise their dream to explore space. ②On 12 April 1961, Yuri Gagarin became the first person in the world to go into space. ③First of all, you must be intelligent enough to get a related college degree. 【我的领悟】 句①和句②中动词不定式短语在句中做________；句③中动词不定式短语在句中做 ________ 。 定语 状语 □动词不定式做定