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【单选题】
幼儿的桌子用消毒液擦拭后,用()
A.
清水擦拭1遍
B.
清水擦拭2-3遍
C.
稀释的消毒液擦拭1遍
D.
稀释的消毒液擦拭2-3遍
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举一反三
【单选题】What happens to buyers when a sales tax is collected?
A.
They have to pay more than what the item costs.
B.
They can pay less than what the item costs.
C.
They have to pay exactly what the item costs.
D.
They will all give up buying the item.
【判断题】不同微生物对同一种理化因素的敏感性不同。
A.
正确
B.
错误
【简答题】Match the missing sentences (a–e) with the correct place in the text (1–5). Reading text: A Plastic Ocean: a film review A Plastic Ocean is a film to make you think. Think, and then act. We need to ta...
【简答题】What happens to the female dormitory beyond visiting times? It is _____ _____ to all _____ students.
【单选题】区别苯和甲苯可以用的试剂是( )
A.
FeCl 3
B.
[Ag(NH 3 ) 2 ] +
C.
KMnO 4
D.
AlCl 3
【单选题】区别苯和甲苯可用的试剂是
A.
溴水
B.
高锰酸钾
C.
三氯化铁
D.
硝酸银
【单选题】区别邻甲基苯甲酸和水杨酸时,可使用的试剂的
A.
NaHCO 3
B.
NaOH
C.
Na
D.
FeCl 3
【单选题】听力原文:M: (Interviewer): What happens to the CEOs who are praised as all-wise geniuses when the Dow and NASDAQ were rocketing upwards once the market turns the other way? What can a business leader do w...
A.
I will be fired after you.
B.
You answer these questions first and I will give my answers after you.
C.
I will be the second person who will be shot.
【单选题】What happens to plastic waste? ( )
A.
It is a biodegradable material so it eventually disintegrates.
B.
It never fully goes away, it just breaks into little pieces.
C.
There is no such thing as plastic waste, all plastic is recycled.
D.
It is dumped in the ocean for fish to eat
【单选题】区别苯和甲苯可用的试剂是( )
A.
溴水
B.
高锰酸钾溶液
C.
三氯化铁溶液
D.
硝酸银溶液
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