高等继续教育 / 护理英语II
正确率:100%
题型描述: 单选题
The heart become a less efficient ( ) when people are old.
A.contract
B.work
C.pump
D.expand
The heart become a less efficient ( ) when people are old.
A.contract
B.work
C.pump
D.expand
参考答案:
佳题速递: