Unit 4 Astronomy:the science of the stars[]
Section Ⅰ—Warming Up,Pre-reading,
Reading & Comprehending
一、单词拼写
1Do you think our education (制度)needs improving?
答案:system
2The discussion has become more and more (激烈的).
答案:violent
3She is (不像)her mother.
答案:unlike
4Darwin spent more than 20 years working on his (理论)of evolution.
答案:theory
5These are the (有害的)effects of smoking.
答案:harmful
6The hen was old and it stopped (下蛋)eggs.