Unit 5 Travelling abroad
单元能力过关测试题
Ⅰ.单项填空
1. Good technique in medicine means less pain and fewer deaths and, _____ it is our duty to master it.
A. altogether B. therefore
C. otherwise D. however
2. In the office I never seem to have time until after 5:30 p. m., _____ many people have got home.
A whose time B. that
C. on which D. by which time
3. Tom’s mother kept telling him that he should work harder, but _____ didn’t help.
A. he B. which C. she D. it
