1 . To ______ the crisis of food shortage, Yuan Longping chose to study agriculture.

A．facilitate

B．cast

C．reward

D．tackle

2 . A daily stretching and yoga practice are the best two ways to ______ back pain.

A．comfort

B．refresh

C．liberate

D．relieve

3 . He asked us to ______ them in carrying out their plan.

A．agree

B．provide

C．insist

D．assist

4 . Finally, my thanks go to my tutor, who has offered a lot of suggestions and comments on my paper and ________ every page of my draft.

A．converted

B．regulated

C．polished

D．enlarged

5 . Chen Wei had his dinner           when he heard someone screaming from another table.

A．interrupted

B．interpreted

C．panicked

D．operated

6 . After she had been bitten by mosquitoes, she         some medicine to her skin.

A．delayed

B．applied

C．slipped

D．urged

7 . The patient was still in danger, because his body ______ the new heart after the surgery.

A．attained

B．restored

C．rejected

D．repaid

8 . These 18th-century oil painting are ______ so well that the visitors are greatly amazed.

A．analysed

B．associated

C．preserved

D．assessed

9 . We have many cases where hard work has ______ one’s chances of success in the past years.

A．tackled

B．multiplied

C．collapsed

D．highlighted

10 . Their sense of humour and ability to get along with people are two characteristics that ______ for their lack of experience.

A．allow

B．demand

C．account

D．compensate