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【单选题】
一个大气压下，空气温度20℃，相对湿度60%，将其加热到50℃后用于干燥物料，干燥后排出的空气相对湿度为90%，请问干燥带走1kg水需要多少干空气?A.
50kg
B.
100kg
C.
150kg
D.
200kg
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皮皮学刷刷变学霸
举一反三
【单选题】When he was a little boy, _______.
A.
Mark didn't like Tom.
B.
Mark always played catch with Tom.
C.
Mark didn't want to be a good player like Tom.
D.
Mark was very good at catching Tom's basketball.
【简答题】鸡血藤的功效是
【单选题】Tom didn't find anything there,_______ ?
A.
did he
B.
did Tom
C.
didn't he
D.
didn't Tom
【单选题】We can learn from this passage that Tom ________.
A.
was very poor
B.
didn't like the biscuits
C.
walked to work every morning
D.
compared the two girls carefully
【单选题】Tom is a true friend, _____ I didn't like him at the _____. [ ]
A.
but; beginning
B.
or; and
C.
and; end
D.
and; beginning
【多选题】存款人下列事项的变更,需于 5 个工作日内书面通知开户银行并提供相关证明,及时办理变更手续的为( )
A.
名称改变
B.
法定负责人变更
C.
住址变更
D.
改变开户银行
【单选题】Tom is a true friend, __________ I didn't like him at the __________. [ ]
A.
but; beginning
B.
or; end
C.
and; end
D.
and; beginning
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