高二英语17周学案.docVIP

英语必修三复习案 Unit4 ?Astronomy: the science of the stars Period 7 The words and expressions Teaching aims: 1.Revise the words and expressions in. Unit 4 2.Make Ss use the words and expressions correctly. 课堂学习 写出下列单词和短语的汉译 重点单词 astronomy atmosphere system violent solid explode surface harmful development spread method depend exist presence disappointed publish gravity force gradually cheer combine explore settle fundamental allow atom mystery chain reaction multiply dinosaur produce oxygen generally climate lessen exhausting approach faint opportunity carbon dioxide solve thus crash feed 重点短语 think of…as… in time cool down go by now that come into existence be different form lay eggs give birth to on one’s surface as well as prevent ... from escape from get close to cheer up break out to one’s disappointment as a result of be harmful to sb depend on in one’s presence watch out in one’s turn Exercise 1请根据各句上下文的意义，选择正确的单词填入空白处。 第一组：force, disappoint, system, surface, harmful, astronomy, gravity, publish, atmosphere, planet 1 His words _________ me and I lost hope for him. 2 He seems very honest on the _________ but actually he is not reliable. 3 There is still a lot that scientists don’t know or explain in the field of _________. 4 He posted his newly-written novel to a _________ house but received no reply. 5 There are eight _________ in the solar system. 6