题目内容

Scientists hope to____soon in their fight against heart disease.
A．break upB．break outC．break throughD．break in
C
考查动词词语辨析。句意：科学家们希望能尽快在应对心脏病方面有所突破。Break up“分解、打断”；break out“爆发、发生”；break through“突破”；break in“闯入、打断”；按照句意答案选C.
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