对于防暴露服，应在没有帮助的情况下，能在（）内将它穿好。
A.1min
B.2min
C.3min
参考答案：B
发生水过多的机制是由于（）。
A.抗利尿激素分泌失调综合征
B.肾排水障碍
C.医源性抗利尿激素应用过多
D.抗利尿激素代偿性分泌增多
E.毛细血管静水压升高
—Do you have any idea what Paul does all day?
—As I know,he spends at least as much time playing as he______.
A．writes
B．does writing
C．is writing
D．does write
