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