1 . The young lady rushed into the room _______________ (instant) she heard the noise. (所给词的适当形式填空)

3 . We are living in __________ is called the information age，but we human beings always lack real communication.（用适当的单词填空）

4 . From space, the earth looks blue.This is _______about seventy-one percent of its surface is covered by water.

A．why	B．how
C．because	D．whether

5 . __________ she hesitated for a moment, she finally went in and asked to see a dress that was in the window.

7 . No matter __________ busy you are, he always insists on coming with you.

8 . The limits of a person’s intelligence, generally speaking, are fixed at birth, but _________ he reaches these limits will depend on his environment. (用适当的词填空)

9 . 无论多么困难，我都要提前完成任务。
No matter______ difficult it is, I’m determined to finish the work ahead of time.

10 . 袁隆平真正在乎的不是金钱和名望。
________ Yuan Longping really cared about was not money or celebrity.