6.John is collaboration with Mary in writing an article.

A cooperating

B marrying

C combining

D arguing

7.He will consolidate his power.

A strengthen

B win

C abandon

D unite

8.Many scientists have been probing psychological problems

A solving

B exploring

C settling

D handling

9.Hearing problems may be alleviated by changes in diet and exercise habits.

A removed

B cured

C treated

D lessened

10.The conclusion can be deduced from the premises.

A gone

B derived

C done

D come

參考答案:6.A 7.A 8.B 9.D 10.B