2 . The more we know about this lovely creature, the greater the chance it will________and keep its place in the natural world for a long time to come.

A．starve

B．suffer

C．satisfy

D．survive

4 . Who were the first people ________ to have reached the top of Qomolangma?

A．donated(捐赠）

B．confirmed（证实）

C．deserved(值得)

D．erupted（爆发）

5 . We have been approached by a number of companies that are interested in our product.

A．向前

B．方法

C．接洽

D．接近

7 . Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has ____________his life.

A．tackled

B．devoted

C．boosted

D．yielded

E．convinced

8 . About a month ago,I was ____________,and towards night I found myself carried out to sea by a strong wind.

A．sailing

B．indicating

C．postponing

D．ignoring

E．hesitating

9 . To sum up,one cannot ____________ the fact that studying abroad has its disadvantages,so when you think about studying abroad,you should consider these many factors.

A．expose

B．motivate

C．grasp

D．behave

E．deny

10 . However,after the Songhu Battle broke out in 1932,Qian made the decision to switch his major to aviation because he realised that China needed its own powerful air force to protect and ____________ the country.

A．transform

B．subscribe

C．suspect

D．trace

E．defend