7. I recognized you　 I saw you 　　　at the airport though we hadn’t seen each other for many years.

A. the moment　 　B. in case　 C. even though D. as if

6. We have made up our minds to carry out the experiment, 　　　　　great difficulties we may meet.

A. however　 B. whatever　 C. wherever　 D. whenever

5. 　　　　　you understand this rule, you will have no difficulty in finishing the task.

A. Until 　　　B. Once　　　　 C. Though　　　　 D. Unless

4. We all felt it surprising that America, which always stood for freedom and equality should have 　　　　　　war on Iraq in the name of liberation.

A. announced　　　　 B. pronounced

C. declared 　　　　D. stated

3. -The contest will take place next week.

-Can you be more 　　　　?

-Yes, it will be on Saturday morning.

A. special　 B. specific　 C. particular　 D. proper

2. The number of people who own cars now is 　　, which results in the crowded traffic.

A. on the increase　　 B. in decline

C. in the rise　　　　 D. on the decrease

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1. The mobile phone was 　　　　　for at least five years against the bug, but it was wrong only one year later.

A. ensured　　 B. guaranteed

C. protected　 D. promised

5. 当我到达飞机场时，玛丽正要离开。(on the point of)

4. 尽管他提出了抗议，他还是没能进入决赛。(protest)

3. 第二回合(round)时，他将与老对手争夺冠军。(compete)