特发性血小板减少性紫癜()
A.贫血和出血程度一致
B.贫血和出血程度不一致
C.有贫血而无出血
D.有出血而无贫血
E.无出血亦无贫血
参考答案:A
下列属于划分正常行为和偏差行为标准的有()。
A.统计学标准
B.心理学标准
C.内省经验标准
D.行为适应性标准
E.社会规范与价值标准
When the students heard the alarm, they all hurried to they thought was an emergency exit door.
A.what
B.which
C.where
D.who