下列句中加粗词解释有误的一项是[ ]
A.三者错,无安国——错:错误
B.物之罕至者也——罕:少
C.上下乖离,寇难并至——乖:违背,抵触
D.籴贵民饥——籴:买米
答案:A
—Your sister hardly stays up late to complete the exercises, does she?
—_____. But she stays up late before exams.[ ]
A. No, she doesn't
B. Yes, she does
C. Yes, she doesn't
D. No, she does
关于6分钟步行实验错误的是()
A.是一项简单、易行、安全的实验
B.6分钟步行距离200m是重度心功能不全
C.是指测定6分钟步行距离
D.将心功能不全分为轻、中、重三种程度
E.可以评定慢性心衰患者的运动耐量