题目内容

Scientists are trying to         ways to treat the terrible disease called H7N9.
A.come up withB.give inC.talk aboutD.give up
A

试题分析:句意:科学家们正在设法想出方法来对待叫做H7N9的疾病。A. come up with想出,提出 ; B. give in放弃; C. talk about 谈论; D. give up放弃;根据语境故选A.
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