第二部分：语言知识运用（共两节，满分45分）
第一节：单项填空（共15小题，每题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑
21.To our joy,the operation is ____success and the patient is now out of____danger.
A.a,the B.a,/ C./,the D./,/
Success in life doesn’t happen . It’s the result of devoting your time and energy to what you’ve set out to do.
| A．by force | B．by design | C．by accident | D．by choice |
Although the living standards of Chinese people have greatly improved, most poor families in China spend 50% of their income on food.
| A．gradually | B．approximately | C．harmfully | D．curiously |
Experts said it was that Malaysia Airlines Flight 370(马航370) had changed course and turned back toward Kuala Lumpur(吉隆坡).
| A．obvious | B．extinct | C．successful | D．energetic |
I think you should go back to your plan, which is much more practical than the present one.
| A．original | B．gentle | C．impressive | D．protective |
The US first lady Michelle Obama gave speeches in Beijing University, which Chinese students’ heated discussions about going abroad for further study.
| A．turn on | B．go down | C．set off | D．come up |