Question

【题目】Scientists are trying to ___________ ways to treat the terrible disease called H7N9.
A.come up with
B.look forward to
C.talk about
D.give up

Answer 1

【答案】A
【解析】句意：科学家正努力想出办法治疗叫H7N9的可怕疾病。come up with想出；提出；look forward to盼望；talk about谈论；give up放弃。根据句意可知选A。