1 . The job is ________to me because I've little experience. However, it is also ________.

A．challenging; rewarding	B．challenged; rewarded
C．challenging; rewarded	D．challenged; rewarding

2 . It's really _______ (amaze) to know that there're only seven bones in giraffes' long necks.

A．amazingly

B．amazed

C．amazing

D．amazement

3 . To deal with the problem of water shortages，______ water­saving technology will be introduced to new industrial projects in Beijing and Shanghai.

A．advancing	B．advanced
C．advance	D．advances

4 . From his ______ expression, we can tell that he was not aware of the topic we were discussing.

A．amazed

B．puzzled

C．amazing

D．puzzling

5 . People nowadays are very      about the problems      with environmental pollution.

A．concerned; concerned	B．concerning; concerned
C．concerning; concerning	D．concerned; concerning

6 . Lucy found herself in hospital when she opened her eyes, which made her very much.

A．examining; confusing	B．being examined, confused
C．was examining; confusing	D．was examined; confused

7 . Justin’s sister, Kelly, _____9, said she had seen his brother taken ____ the UFO by the Aliens.

A．aging; board	B．aged; on board
C．aging; aboard	D．aged, abroad

8 . The poor man, ______, ran out of the dark cave.

A．trembling and frightened	B．trembled and frightening
C．trembled and frightened	D．trembling and frightening

9 . The ______news made him feel _______.

A．upset; upset	B．upsetting; upset
C．upset; upsetting	D．upsetting; upsetting

10 . Masha, a hostess on a Chinese TV program, could not forget those _________ moments when she first arrived in China, _________ about Chinese culture.

A．embarrassing, confusing	B．embarrassed, confusing
C．embarrassing, confused	D．embarrassed, confused