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【单选题】
测定酶活性时要测定酶促反应的初速度,其目的是为了A.
使酶促反应速度与酶浓度成正比
B.
尽快完成测定工作
C.
防止出现底物抑制
D.
使反应不受温度的影响
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举一反三
【单选题】Some students ______ admitting they were ______ computer games. [ ]
A.
resisted; hooked on
B.
accepted; addicted to
C.
distributed; involved in
D.
refused; devoted to
【单选题】What did the Russians do in the face of Napoleon’s offensive?
A.
They stood and fought.
B.
They resisted fiecely.
C.
They retreated eastward.
D.
They surrendered quickly.
【简答题】已知secψcosρ=C，证明：
【简答题】英译中: Then concrete is cast round the wires in tension. When the concrete has set, the wires are cut. The contraction of the wires is resisted because they are held by the concrete. They therefore put ...
【单选题】Why does the author speculate that Socrates' disciples may have resisted his lessons?
A.
Because Socrates was ugly.
B.
Because Socrates taught them to be critical.
C.
Because they had a different expectation.
D.
Because they were innocent.
【简答题】Could Food Shortages Bring Down Civilization? [A] For many years I have studied global agricultural, population, environmental and economic trends and their interactions. The combined effects of those...
【简答题】呼吸微弱而声低，气少不足以息，语言无力者称为（ ）
【单选题】What was true of many employers before the Industry Revolution?
A.
They did not employ any female workers in factories.
B.
They tended to employ single rather than married women.
C.
They employed women in only those jobs that were related to women's traditional household.
D.
They resisted technological innovations that would radically change women's roles.
【简答题】They resisted ______________ (desperate) and won the battle.
【单选题】——Mr President, do you plan to educate your two daughters to be officials?——To tell you the truth
A.
2．——Mr President, do you plan to educate your two daughters to be officials? ——To tell you the truth , 1 hope they can do whatever________their interests. A．fits
B.
matches
C.
suits
D.
Needs
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