1 . As well as teaching soccer's basic skills and rules, the introduced textbooks will ______   team spirit and sense of responsibility.

A．multiply	B．distinguish
C．preserve	D．develop

2 . There is a beautiful Chinese song called I Came Over the Ocean to See You. Why not do that in reality on this Valentine’s Day? Keep your plan a secret and ______suddenly.

A．show up	B．cut in
C．show off	D．cut down

3 . Busy with their business, they had no time to ______ their wedding, so they had it organized by a company.

A．accelerate	B．arrange
C．approve	D．acknowledge

4 . Los Angeles Times reported that researchers may have found a way to ______ human life by changing certain genes, so that humans might expect to live twice as long.

A．extend	B．preserve
C．multiply	D．transform

5 . China will ______ greater international responsibilities. This not only meets the expectations of the international community, but also serves China’s own interests.

A．guarantee	B．sponsor
C．concentrate	D．undertake

6 . The education reform is being carried out in China. It’s certain that a completely new situation will _________ when the new examination system comes into existence.

A．advocate

B．promote

C．arouse

D．arise

7 . Since the earth’s resources are getting fewer and fewer，recycling industry certainly＿＿big benefits in the near future．

A．promises

B．attempts

C．demands

D．invests