第二部分英语知识运用（共两节，满分45分）
第一节单项填空（共l5小题；每小题l分，满分l5分）
从A、B、C、D四个选项中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。
21．—Can you get me two tickets for the film Avatar ?
—______．I won't let you down．
A．Don't mention it B．Never mind
C．No problem D．No way
I didn’t quite follow him because he explained the theory _____that is too abstract for me.
| A．out of the way | B．on the way | C．in a way | D．by the way |
The public transport system in Beijing is very good now, so there _____be any difficulty in traveling around the city.
| A．couldn’t | B．mustn’t | C．needn’t | D．shouldn’t |
----In recent years, _____problem of global warming has become very serious.
----That’s right. People are facing _____diversity of natural disasters now.
| A．/, a | B．a, the | C．the, a | D．a, a |
Netizens called the fashionable homeless man the “beggar prince”, or, ____________, “Brother Sharp”.
| A．in addition | B．even worse | C．more often | D．what’s more |
People nowadays are always on the go, so they ___________ spend their weekends doing housework.
| A．mostly | B．most | C．nearly | D．almost |