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【单选题】
动物组织中的酶，其最适温度大多在A.
20～24°C
B.
25～34°C
C.
35～40°C
D.
41～45°C
E.
60°C以上
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举一反三
【简答题】在光化学烟雾发生时, O 3 如何得到累积?其浓度峰值滞后于 NO 2 浓度峰值的原因在于?
【简答题】影响国际分销渠道选择的因素有哪些?
【单选题】a. I suggest you buy the truck. b. I suggest you buy either a truck or a car. c. You'd better buy the car.
A.
I suggest you buy the truck.
B.
I suggest you buy either a truck or a car.
C.
You'd better buy the car.
【单选题】We would suggest a small quantity for trial.A. you to buy B. you buy C. your buying D. your buy
A.
you to buy
B.
you buy
C.
your buying
D.
your buy
【单选题】If you had enough money, what _____? [ ]
A.
will you buy
B.
would you buy
C.
would you have bought
D.
will you have bought
【单选题】北宋沈括认为“天地之变，寒暑风雨，水旱螟蝗，率皆有法”，这句话包含的哲学道理是
A.
规律可以为人所认识
B.
事物的运动、变化和发展是有规律的
C.
事物是运动的，规律是客观的
D.
规律是事物运动过程中本身所固有的联系
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