双基限时练(六) Unit 2 Part Ⅲ
Ⅰ.单词拼写
1．You can ________ (略读) through the book first.
答案 skim
2．Did she make any ________ (评论) about Eddie?
答案 comment
3．The ________ (发现) caused a tremendous commotion in the scientific world.
答案 discovery
4．Some of the ________ (细菌) are helpful.
答案 bacteria
5．A ________ (化学的) change takes place in any substance when it burns.
答案 chemical
6．Insects which eat crops are ________ (害虫)．
答案 pests
7．The doctor gave me some advice on diet and ________ (营养)．
答案 nutrition
8．The scientists found the field rich in ________ (矿物质)．
答案 mineral
