Scientists hope to____soon in their fight against heart disease.
A．break upB．break outC．break throughD．break in
C
考查動詞詞語辨析。句意：科學(xué)家們希望能盡快在應(yīng)對心臟病方面有所突破。Break up“分解、打斷”；break out“爆發(fā)、發(fā)生”；break through“突破”；break in“闖入、打斷”；按照句意答案選C.
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