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【单选题】
在酶发酵过程中添加表面活性剂可以( )。A.
诱导酶的生物合成
B.
提高酶活力
C.
提高细胞透过性
D.
阻遏酶的生物合成
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【单选题】I think students should _____ to have at least one hour a day for sports. That's good for their health. [ ]
A.
allow
B.
not allow
C.
be allowed
D.
not be allowed
【简答题】One day, when I was in high school, I saw a kid named Kyle from my class walking home from school with all his books, I thought to myself, “__21___ would anyone bring home all his books for the weeken...
【简答题】One day, when I was in high school, I saw a kid named Kyle from my class walking home from school with all his books, I thought to myself, “ __1___ would anyone bring home all his books for the weeken...
【单选题】I’d like to think decades from now, a young Chinese person ______ inspired by Expo 2010 to one day visit where I grew up, just as I’ve finally gotten to experience China in person.
A.
will have
B.
has had
C.
has been
D.
will be
【单选题】I wish I could go to Mars one day .
A.
a few days.
B.
that day.
C.
in one day.
D.
some day.
【单选题】I wish I (can) (fly to) the moon (by) spaceship (one day).
A.
can
B.
fly to
C.
by
D.
one day
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