1摩尔H和1摩尔H2其()。
A、物质的量相同
B、质量相同
C、基本单元相同
参考答案:A
When I went home after work, I found my house ______ but strangely, nothing had been stolen.
A.broken into
B.put into
C.broken up
D.put up
急性心肌梗死康复过程中,提示运动强度过大的心率指标是比安静时增高超过()
A.5次/分
B.10次/分
C.15次/分
D.20次/分
E.25次/分