----Excuse me, can you tell me if there is a flight available to America today?
----Well, Flight 5042 to USA ________ off at 15:45
| A．takes | B．took | C．will be taken | D．is taken |
—Have you found the missing?couple in the mountain ?
—No, but we______hard to get in touch with them．
| A．have tried | B．have been trying | C．had tried | D．had been trying ． |
The average temperature in．Tibet has risen______ 0.32 degrees centigrade every decade since 1961, according to the China Meteorological Administration,．
| A．to | B．at | C．by | D．in |
—On which day shall we go outing in the Qiagling Mountains, Friday, Satutiby or Sunday?
—______is all right.
| A．Either | B．Both | C．All | D．Any |
第三节：语法和词汇知识（共15小题，每小题1分，满分15分）
The survery shows that if people cannot afford_________house, they will feel less content about ___life．
| A．the; the | B．a; / | C．a; the | D．/; the |
In salad bars the waiter does not bring you salad.
You have to ________ yourself, usually to as much as you want.
| A．bring | B．serve | C．help | D．supply |