班级人际关系的社会心理因素有()、()、()、()。
参考答案:团体规范;心理相容;集体舆论;凝聚力
.--- I was lucky the win a gold medal in the800-metre race.
--- You ____ through hard training.
A.must go
B.should go
C.must have gone
D.should have gone.
正常成人每日尿量一般约为
A.2000~3000ml
B.400ml以下
C.3000~4000ml
D.1000~2000ml
E.400~1000ml