皮皮学，免费搜题
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【单选题】
加热后使得酶活性降低或消失的主要原因是A.
酶水解
B.
辅酶脱落
C.
辅基脱落
D.
酶蛋白变性
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皮皮学刷刷变学霸
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【简答题】正式命名之前有乳名,又叫______________。
【单选题】The English in the future will be quite different from the English of today. It is possible that some English words may even completely.
A.
die down
B.
die out
C.
die off
D.
die of
【单选题】Who can _______the blackboard? Next I must write some English words on it. [ ]
A.
write
B.
clean
C.
wash
D.
make
【单选题】I read very slowly. I can't spell some English words, _____. [ ]
A.
also
B.
either
C.
but
D.
too
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