2017届高考英语（全国卷地区）一轮总复习课件：必修3 Unit 4《Astronomy the science of the stars》_高考复习指南

2017届高考英语（全国卷地区）一轮总复习课件：必修3 Unit 4《Astronomy the science of the stars》

　　——

　　UFO, which is short for Unidentified Flying Object, has long been regarded as one of the top 10 unsolved mysteries in the world. The first UFO sighting was reported to have happened in America in 1878. Since then, numerous sightings have been reported all over the world, many of which turned out to be false. Unit 4　Astronomy: the science of the stars 佳作晨读赏析返回目录 Some people think UFOs are spaceships from other planets, others believe that they're just a kind of natural phenomenon and still others guess they're aliens. Now about one third of the countries in the world are doing research on UFOs, about which many books and journals have been published, and in some universities courses are even set up to study UFOs. Unit 4　Astronomy: the science of the stars 佳作晨读赏析返回目录 ——

　　名师点睛

　　——

　　1．文章体裁：说明文。

　　2．行文逻辑：介绍UFO→人们的看法→研究状况。

　　3．词汇短语：运用了较高级的词汇和短语。如：be short for(是……的简称)，be regarded as(被认为是……)，turn out(结果……)，set up(建立，成立)等。 Unit 4　Astronomy: the science of the stars 佳作晨读赏析返回目录

　　4．句式句法：运用了多样化的句式结构。如：①定语从句：which is short for Unidentified Flying Object, many of which turned out to be false, about which many books and journals have been published；②宾语从句：that they're just a kind of natural phenomenon and still others guess they're aliens等。 Unit 4　Astronomy: the science of the stars 佳作晨读赏析返回目录 Ⅰ.单词荟萃 1．________n．天文学→__________n．天文学家 2．________n．生物学→________n．生物学家→biological adj.生物学的 3．________n．物理学家→________adj.物理学的→________n．物理，物理学 4．________vi.存在→________n．存在 5．________ vt.使……迷惑 n．难题；谜→________adj.迷惑不解的 Unit 4　Astronomy: the science of the stars astronomy biology biologist physicist physics exist existence puzzled astronomer physical puzzle 基础自主梳理返回目录 6．________adj.猛烈的→________n．暴力→________ adv.猛烈地 7．________adj.有害的→________n．害处 vt.对……有害 8．________ n．球体；地球仪→________adj.全世界的；全球性的 9．________prep.不像；和……不同→________(反义