单项选择题

房屋建筑结构按( )可以分为钢结构、混合结构等。

A.房屋结构类型
B.房屋的建筑材料
C.房屋主要承重结构
D.房屋的使用功能
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单项选择题
听力原文：M: I want a bank to change my money.W: There is one on the ground floor of our hotel. But it opens from Monday to Friday. Today is Sunday.When can the man change his money?A.He must wait until tomorrow.B.He must wait till the day after tomorrow.C.He can change his money on weekenD.
A.W:
B.
When
C.He
D.
B.He
E.
C.He
F.
单项选择题
A、用0.2%～0.5%过氧乙酸溶液或1000mg L～2000mg L含氯消毒剂溶液喷雾B、用过氧乙酸熏蒸消毒C、用煮沸消毒15min～30minD、用0.5%碘伏溶液或75%乙醇涂擦E、用0.5%过氧乙酸溶液或10000mg L含氯消毒剂溶液喷洒至表面湿润艾滋病人用过的毛毯、被褥的消毒处理是（ ）
A.2%～0.5%过氧乙酸溶液或1000mg/L～2000mg/L含氯消毒剂溶液喷雾
B、用过氧乙酸熏蒸消毒
C、用煮沸消毒15min～30min
D、用0.5%碘伏溶液或75%乙醇涂擦
E、用0.5%过氧乙酸溶液或10000mg/L含氯消毒剂溶液喷洒至表面湿润
艾滋病人用过的毛毯、被褥的消毒处理是（
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