3 . Too much drinking is ____________ to the health.

A．harm

B．harmed

C．harmful

D．harmless

4 . That’s why she often finds herself        when she meets with some challenges.

A．helpful

B．helpless

C．helping

D．helped

5 . I am sorry for having asked him. I was ____________ at his refusal.

A．shocked

B．shock

C．shocking

D．shocks

6 . It is a very ____________ exercise to work the problem out by yourself.

A．reward

B．rewarding

C．rewarded

D．rewards

7 . He was very _________ (appreciate) of his colleagues’support during his illness. (所给词的适当形式填空)

8 . The secretary arranged an _______________ (convenience) time and place for all the applicants to have an interview, so everyone felt upset. (所给词的适当形式填空)

9 . I still find it __________ (terrify) to find myself surrounded by large numbers of horses. (所给词的适当形式填空)

10 . __________ (anxiety) to improve farming conditions, they tried out this new crop on a large area. (所给词的适当形式填空)