He considered that fresh air would be to his health.[ ]A. beneficial

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He considered that fresh air would be         to his health.[     ]
A. beneficial
B. profitable
C. advantageous
D. beneficially

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举一反三

I don"t care about the salary offered by the company. What I need is a (an)             post.    [     ]
A. creating
B. awarding
C. challenging;
D. competing

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Not all insects are pests; in fact, a great many of them are ____ to man.[     ]
A. benefit
B.beneficent
C. beneficial
D.beneficially

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He was          in the accident.[     ]
A. unabled
B. disabled
C. abled
D. capable

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The job is to me because I have little experience, however, it is also .[ ]
A. challenging; rewarding
B. challenged; rewarded
C. challenging; rewarded
D. challenged; rewarding

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I find this treatment is very            to my health.    [     ]
A. advisable
B. invaluable
C. beneficial
D. worthy

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