It’s said that Dr. Anderson was breaking fresh______in cancer research.

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问题 It’s said that Dr. Anderson was breaking fresh______in cancer research.

选项 A、floor
B、land
C、earth
D、ground

答案D

解析 break new/flesh ground是固定用法,表示“开辟新天地,开始新的事业,有新发现”,如:There’s a pioneering spirit of the need to break new ground.有一种必须开拓创新的精神。
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