内容正文:
单元评价 (Unit 4)
二、 单项选择 (每小题1分,满分15分)
( ) 21. I can’t believe Wang Yuan has smoked ____ two years ago.
A. when B. till C. while D. since
( ) 22. The local government is planning to cut down the forest to make space for a chemical factory, but the animal protection organization is ____ the plan.
A. against B. for C. with D. on
( ) 23. - Su Ning saved a 70-year-old woman from a burning house last night.
- Oh, really? I admire him for his great ____.
A. challenge B. difficulty C. courage D. thought
( ) 24. It was quite hot yesterday, but it’s ____ hotter today.
A. more B. even C. yet D. still
( ) 25. Over the past fifteen years, Mr Sun has donated ____ blood to the Red Cross.
A. a number of B. a great many C. a lot D. a great deal of
( ) 26. Some foreign visitors ____ can’t believe their eyes when they see the Great Wall for the first time.
A. luckily B. simply C. especially D. hardly
( ) 27. - When will you take me to Chimelong Safari Park in Guangzhou, Dad?
- As soon as your term ____ this July.
A. will be over B. is over C. was over D. has been over
( ) 28. This morning, David wanted his dog to follow him outside for a walk, but it ____, so David went out alone.
A. wouldn’t B. couldn’t C. shouldn’t D. might not
( ) 29. The children enjoyed themselves in the amusement park and it was time to say goodbye ____ they knew it.
A. while B. until C. before D. after
( ) 30. My mother got me ____ with housework after I finished doing my homework last Sunday morning.
A. to help B. helping C. helped D. help
( ) 31. What ____ in life is not what you get from others but what you give to others.
A. cares B. minds C. matters D. works
( ) 32. - When did you realize that your wallet was missing?
- ____ I got to the check-out counter (收银台) and prepared to pay the money.
A. Since B. Not until C. Till D. While
( ) 33. The Chinese scientist carried on with the research work