外感咳嗽属于（）。
A.邪实正虚
B.邪实正不虚
C.邪实
D.正虚
E.邪不实正虚
参考答案：C
硒元素（Se）有防癌、抗癌作用．某饮料中含有FeSeO3（硒酸亚铁），则硒元素的化合价为（ ）
A．-4
B．0
C．+3
D．+4
He was admitted to a famous university，________ was obvious that his situation had gone beyond his parents’ expectations.
A．what
B．it
C．as
D．and it
