下列引起腹泻的疾病中为肠道非感染性病变的是()
A.慢性阿米巴痢疾
B.肠结核
C.慢性细菌性痢疾
D.血吸虫病
E.慢性非特异性溃疡性结肠炎
参考答案:E
He thought about going to Greece or Spain, but finally decided _____ Canada. [ ]
A. on
B. in
C. to
D. of
下列分子中,所有原子都满足最外层8电子结构是[ ]
A.六氟化氙
B.次氯酸
C.五氯化磷
D.白磷