问题详情:
After numerous experiments, some doctors have made a ________ in the treatment of cancer.
A.breakdown B.breakup
C.breakthrough D.breakout
【回答】
C
知识点:名词
题型:选择题
问题详情:
After numerous experiments, some doctors have made a ________ in the treatment of cancer.
A.breakdown B.breakup
C.breakthrough D.breakout
【回答】
C
知识点:名词
题型:选择题