皮皮学，免费搜题
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搜题
【单选题】
维生素B 12 以哪种形式参与氧化还原反应:A.
辅酶A
B.
辅酶I
C.
辅酶Ⅱ
D.
FMN .FAD
E.
NAD + .NADP +
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皮皮学刷刷变学霸
举一反三
【简答题】Listen carefully and make proper responses
【单选题】Some works of literature hold one's interest to the very last page, but others serve only as a ______, to be kept handily at a bedside table.
A.
reference
B.
soporific
C.
pleasure
D.
reminder
【单选题】hold one’s feet to the fire ( )
A.
do some bad things secretly
B.
get control over someone or something.
C.
ruin one’s own plan through foolish words
D.
to put pressure on someone to do something
【简答题】Listen carefully and make proper responses
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