必修三 unit 2《healthy eating》单元测试3
笔试部分：
i. 单项选择
1. it looks like rain, so you'd better ______ without an umbrella.
a. gob. not to goc. goingd. not go
2. the children are full of ______. they have been playing all day long without resting.
a. forceb. powerc. energyd. strength
3 she became fatter and fatter, so the doctor advised her ______.
a. losing weightb. to lose weight c. to keep weightd. to gain weight
4. since your brother is in trouble, you ______ give him a hand.
a. needb. could c. mightd. should
5. —let's go to a movie after work, ok?
— _____________
a. not at all. b. why not? c. never mind. d. what of it?
6. i was really anxious about you. you _______ home without a word.
a. mustn't leave b. shouldn't have left c. couldn't have left d. needn't leave
7. black holes _____ not be seen directly, so determining the number of them is a tough task.
a. canb. shouldc. mustd. need
8，i think he could have joined us, but he ____
a. doesn't b. did c. didn't d. couldn't
9 .—did you visit the famous museum?
—no, we _____, but we spent too much time shopping.
a. could have visited b. must have visited
c. can' t have visited d. shouldn't have visited
10. —you know that you were driving 100 km an hour, don't you?
—no officer, i ____. this car doesn't do more than 80.
a. may not have been b. couldn't have been c. mustn't have been d. shouldn't have been
11. —where is jack? i can't find him anywhere.
— he ______ his homework upstairs.
