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【单选题】
Only if cooked food and raw food are stored in the same refrigerator, the former would be contaminated.A.
Y
B.
N
C.
NG
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— Have you forgotten ___________ a ruler from Wang Ling? —Oh, yes. But I’ll remember _________ it to her tomorrow.
A.
borrowing; to return
B.
borrowing; returning
C.
to borrow; to return
D.
to borrow; returning
【单选题】Wang Ling, one of my friends, is very good at English. He speaks English as if he ________ an Englishman.
A.
were
B.
would be
C.
have been
D.
had been
【单选题】A _____ diet is good for our _____. [ ]
A.
health; health
B.
healthy; health
C.
health; healthy
D.
healthy; healthy
【简答题】A．In a pharmacology course B．From her mother C．At the student health center D．From her doctor
【简答题】阅读资料1～3，针对资料中提到的“高考移民”的问题，发表自己的见解，并提出解决问题的建议。 [要求] 观点明确，条理清晰，针对性强，不超过500字。
【单选题】下列式子中哪一个式子不能用来计算色谱柱的理论塔板数? ( )
A.
( t R /σ ) 2
B.
16( t R / W b ) 2
C.
5.54( t ' R / W 1/2 ) 2
D.
16( t ' R / W b ) 2
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