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【单选题】
引起酶原激活的方式是A.
氢键断裂、空间改变
B.
酶蛋白与辅酶结合
C.
酶由低活性的形式转变为高活性
D.
部分肽键断裂、酶空间改变
E.
酶蛋白被修饰
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【简答题】自定义播放异常 任务描述:自定义一个异常类NoThisSoundException和Player类,在Player类的player()方法中使用自定义异常。 1、定义异常类NoThisSoundException继承自Exception类,类中有一个无参构造方法、一个有参构造方法,构造方法中都使用super关键字调用父类的构造方法。 2、Player类中定义一个player(int index)方...
【单选题】The students come to see their teacher________ September 10th. [ ]
A.
at
B.
in
C.
on
D.
of
【简答题】His proposal sounds attractive, but unfortunately it is not _________ management problems of a small company.
【单选题】His proposal sounds attractive, but unfortunately it is not ________ to the management problems of a small company.
A.
applicable
B.
suitable
C.
proper
D.
fit
【单选题】_____ exciting it was to see the 29th Olympic Torch (火炬) arriving at the opening of Yueyang International Dragon Boat Festival (龙舟节)! [ ]
A.
How
B.
What
C.
What an
D.
How an
【单选题】Just by looking at the ______ on the wall, you will see that is already June 29th.
A.
calendar
B.
schedule
C.
diary
D.
chart
【单选题】His proposal sounds attractive, but unfortunately it is not ______ to the management problems of a small company.
A.
practical
B.
done
C.
applicable
D.
acceptable
【简答题】His proposal sounds attractive, but unfortunately it is not ______ to the management problems of a small company.(assistance;comparable; attendance; engagement;applicable;assigned; acceptance; enterta...
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