If____________ , the polluted air can result in deadly diseases or even death.
| A．being breathed in | B．having been breathed in |
| C．breathed in | D．breathing in |
________celebration of the 60th anniversary of the founding of the People’s Republic of China
was ________complete success.
| A．The; the | B．A; a | C．The; a | D．A; the |
第一节单项选择（共15小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的A、B、C、D、四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
例: It is generally considered unwise to give a child ________ he or she wants.
A. however B. whatever C. whichever D. whenever
--- I’m happy that we’ve finally cleared up some problems .
--- Then , let’s ______ , shall we?
--- All right . See you later.
| A．go Dutch | B．get it straight | C．call it a day | D．get a bite |
He chose to teach in a western province , though he _______ in the city for a better life.
| A．could stay | B．would stay | C．could have stayed | D．had stayed |
_______ and tell us . We are all anxious to know how the story ends up .
| A．Hold on | B．Carry out | C．Speed up | D．Go ahead |