第一部分 英语知识运用（共两节, 满分35分）
第一节单项填空(共15小题；每小题1分，满分15分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21．We cannot be about our work．Any small mistake may lead to a serious accident．
A．very Particular B．too cautious C．extremely considerate D．quite serious
______ Flying Luxury Hotel of Tomorrow is ______ huge 400-ton aircraft without wings.
| A．/, a | B．The, a | C．The, the | D．A, a |
If we go on using energy so wastefully, __________ are that our oil wells will be dried up before new energy sources can be found to replace oil.
| A．chances | B．opportunities | C．questions | D．problems |
Sometimes the expert ________ a task from a historical point of view.
| A．doesn’t need to approach | B．dare settle | C．needs not to solve | D．dare not to deal with |
-----Tom, I’m sorry to say that I can’t go to watch tonight’s match with you, for I have to prepare for the coming exam.
----- _______ . Have some fun!
| A．Don’t have too many irons in the fire. | B．Don’t be a wet blanket. |
| C．Don’t put the cart before the horse. | D．Don’t pull my leg. |
--- Could you bring me that novel you _____________ me about when I dropped in on you?
--- Sorry, I can’t. I have given it to a friend.
| A．told | B．would tell | C．had told | D．had been telling |