1 . It took them about one month to ______ out how to start the equipment. (弄明白) (根据汉语提示填空)

2 . 选词填空，每组每词限用一次

A. offspring     B. mimic     C. flawless     D. sufficient   E. detect

1. A parrot can _________ a person’s voice.
2. Temperate forests are found where there are well-defined seasons with a distinct   winter and _________ rainfall.
3. Individual organisms which survive in their environment tend to pass on the helpful qualities to their _________.
4. The tests are designed to _________ the disease early.
5. You can’t help noticing her _________ beauty.

3 . The government calls on the youth to_______(捐赠)their blood voluntarily. （根据中文提示填写单词）

4 . Jane was willing to _______(陪伴) you to the park to go out for a walk. （根据中文提示填写单词）

5 . The problem ______ tomorrow is important.

A．will be discussed	B．discussed
C．being discussed	D．to be discussed

6 . This page needed_______ again.

A．being checked	B．checked
C．to check	D．to be checked

7 . The new apartment ______a few months ago is large enough to______200 people.

A．was built; hold	B．built; accommodate
C．was built; fill with	D．built; conserve

8 . Rather than ___ on a crowded bus, he always prefers _____ a bicycle.

A．ride; to ride

B．riding; ride

C．ride; ride

D．to ride; riding

9 . The Chinese are proud of the 29th Olympic Games _____ in Beijing in 2008.

A．hold

B．being held

C．held

D．to be held