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【单选题】
关于酶的活性中心的错误说法是A.
酶的必需基团就是酶的活性中心
B.
活性中心可跨越在两条多肽链上
C.
活性中心就是酶的催化基团和结合基团集中形成的具有一定空间的区域
D.
活性中心可处在一条多肽链上
E.
酶的活性中心与酶的空间结构有密切关系
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反馈参考答案：
举一反三
【判断题】The probability of two or more independent events occurring together is calculated by multiplying their independent probabilities.
A.
正确
B.
错误
【单选题】The proposal is for the factories to become ______.
A.
more independent and less closely integrated.
B.
more closely integrated and less independent.
C.
more independent but closely integrated.
【判断题】在.NET类库中所有的类都是直接或间接的继承自Object类,在Object类中定义了ToString方法,所以,所有的类都有ToString方法,对于值类型来讲,该方法返回数值对应的字符串,对于一个类来讲该方法返回类名.这种规则是不能改变的.( 2 分)
A.
正确
B.
错误
【判断题】The more independent
variables included in the multiple regression model, the better the model would
be.
A.
正确
B.
错误
【单选题】Object类中的（ ）方法不能被覆写？
A.
toString() B、 getClass() C、 clone() D、 toString()
B.
getClass()
C.
clone()
D.
finalize()
【判断题】Dictionary is an extremely useful learning resource, especially as it makes the learner more independent of the teacher.
A.
正确
B.
错误
【判断题】With the development of our society, human beings become more and more independent.
A.
正确
B.
错误
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