题目内容

It is reported that 30 percent of the world population have no________ to clean drinking

A. means
B. approach
C. channel
D. access

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________ is often the sase with anew idea, more conditions should be considered

A. It
B. Which
C. As
D. That

Silence is required in this area while an important meeting is________.

A. under way
B. under control
C. in sight
D. in danger

Tnis is a demanding task—but I see it as the real challenge we need to________.

A. face
B. solve
C. reply
D. detect

The older I get,the more I value friends, yet the________time I have in maintaining old friendship.

A. few
B. fewer
C. little
D. less

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