单选题
Those physicians and specialists ________in their fight against heart disease.
A、
broke down
B、
broke off
C、
broke out
D、
broke through
【正确答案】
D
【答案解析】
那些内科医生和专家们在同心脏病的斗争中取得了突破。break down意为“损坏;(健康等)垮掉,崩溃”; break off 中断,突然停止”;break out“爆发;逃脱”;break through“突围;取得突破性成就”。
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