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【单选题】
当反应速度是最大反应速度的 80% 时, Km 值应等于A.
[S]
B.
[ 0.5S]
C.
[ 0.25S]
D.
[0.4S]
E.
[0.8S]
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举一反三
【单选题】Some of the engines were not suitable for the work they were ________ for.
A.
intended
B.
to intend
C.
intending
D.
being intended
【简答题】Some criminals were printing ________ dollar bills until they were arrested. A) decent B) fake C) patent D) suspicious
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【单选题】Some of the tunnels in the cliff are natural, some were ( ) out.
A.
carved
B.
pried
C.
penetrated
D.
decorated
【简答题】用some... others ... 翻译句子。 Some buildings were destroyed and many others were damaged in the blast. ___________________________________________________________
【单选题】Some rural African were infected with AIDS because they were given injections of Koprowski's vaccine.
A.
Y
B.
N
C.
NG
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