___________you try to do something beyond what you have already mastered, you will never grow.
| A．Since | B．When | C．Though | D．Unless |
22. The April 10, 2010 air crash, with a Russian Tu-145 plane _______ Poland’s president Lech Kaczinsky, his wife and many Polish government and military officials, shocked the whole world.
| A．carried | B．being carried | C．carrying | D．to carry |
第二部分英语知识运用（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）
从每小题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。
21. Beginning college is exciting: many of us can be easily at a loss by____details of running____well-balanced life.
A. /; the B. the; a C. /; a D. the; /
20．Not only Zhang Yimou's new movie but also some of the actors and actresses of it_________to meet the public in Shanghai next Monday.
| A．is | B．are | C．were | D．Has |
19．So eager_________a chance to answer questions, little Tommy waved hard and high in class.
| A．he was to be given | B．he was to give |
| C．was he to be given | D．was he to give |
18．_________a US visitor visa twice, the old couple finally gave up their hope of going to America to experience Thanksgiving Day.
| A．Having been refused | B．Being refused | C．Having refused | D．To be refused |