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---MERS (中东呼吸综合症) is a terrible disease(疾病). What should we do? ---Don't be nervous. Scientists are ...
题目内容：
---MERS (中东呼吸综合症) is a terrible disease(疾病). What should we do?
---Don't be nervous. Scientists are trying their best to _______ ways to treat it.
A. find out B. look forward to C. talk about D. set up
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