下列哪种不属于皮质类固醇?()
A.氢化可的松
B.地塞米松
C.曲安奈德
D.泼尼松龙
E.阿司匹林
参考答案:E
关于细菌,不正确的是()。
A.原核细胞型微生物
B.具有细菌壁
C.遗传物质为DNA或RNA
D.单细胞生物
E.以二分裂的方式增殖
He was admitted to our school two years ago, a top school in our hometown, _____ he has been crazy about reading electronic novels, killing time.
A.after that
B.since that
C.after when
D.since when