:2019人教版高三英语一轮复习练习选修八 Unit 5（有答案）

选修八 Unit 5

[基础回顾]
Ⅰ.单句语法填空(导学号02516357)
1．　It　 is assumed that stress is mainly caused by too much work.
2．If you dont like the school lunch, you have 　the　 alternative of bringing your own.
3．She has kept up physical training for several years without 　interruption　 (interrupt)．
4．The more we are aware of the 　significance　 (significant) of this famous saying, the more benefits we will get in our daily study and job.
5．If you study in a 　systematic　 (system) way, you wont leave anything out.
6．The plants need the right amount of sunlight and rain to grow and 　ripen　 (ripe)．
7．The mechanic who wishes to do his work well, must first 　sharpen　 (sharp) his tools.
8．The escaped prisoner got 　arrested　 (arrest) immediately he turned up at the railway station and was sent to prison again.
9．Scientists 　have identified　 (identify) more than forty chemicals in tobacco smoke that cause cancer in humans and animals.
10．In contrast to our ignorance of s