Thescientistsaretryingtonatura

The scientists are trying to ___ natural energy to decrease air pollution.

A．make friends with

B．make full use of

C．make notes of

D．make into

登录免费查看答案和解析

相关试题

Our duty is to ______ their country against both domestic and foreign enemies’ attack.

A．delay

B． defend

C．defeat

D．depend

收藏答案/解析

－Bob failed in the exam again.
－He ________ it；he never worked hard.

A．deserved

B．succeeded

C．missed

D．considered

收藏答案/解析

______ people are standing outside the office. _____ people there is at least over 1,000.

A．A number of; A number of	B．The number of; The number of
C．A number of; The number of	D．The number of; A number of

收藏答案/解析

You should always _____ your conclusion _____ careful research.

A．depend; on

B．base; on

C．put; into

D．base; by

收藏答案/解析

We won’t give up ________ we should fail ten times.

A．even if

B．unless　　　

C．whether

D．Until

收藏答案/解析