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。
Hunger is _____ number one global health risk, so the WFP has organized a lot of programmes, which targets people most at ________risk.
A. the； / B. a； / C. the；the D. a；a

The government have realized the use the returnees make ______ the experience and skills ________while living abroad.

A．of; gained

B．of; gain

C．for; gained

D．up; gain

_________to the strong sunlight for long every day led to her bad skin.

A．Exposed

B．Exposing

C．Being exposed

D．Be exposed

Under no circumstances and at no time __________be the first______ nuclear weapons.

A．we shall; using

B．shall we; to use

C．shall we; used

D．we shall; using

The old man has a son and two daughters, ______ treating him well, ______ makes him sad.

A．none of them; which	B．and none of whom; that
C．none of whom; which	D．and none of them; that

Many experts hold the view ____ teachers’ development is _____the key to better education lies. 

A．which; where

B．which; what

C．that; where

D．that; which