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【单选题】
电压跟随器具有 _____ 的特点,常用作缓冲器。
A.
Ri很大,Ro很小
B.
Ri很小,Ro很小
C.
Ri很大,Ro很大
D.
Ri很小,Ro很大
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举一反三
【多选题】要把理想在实践中转化为现实,必须具有( )精神。
A.
艰苦奋斗的精神
B.
勤奋学习精神
C.
求实务实精神
D.
勇于实践的精神
【多选题】要把理想在实践中转化为现实,必须具有( )
A.
艰苦奋斗的精神
B.
勤奋学习的精神
C.
献身的精神
D.
求真务实的精神
E.
勇于实践的精神
【单选题】The passage implies that which of the following is true of the petrochemical means of plastic production?
A.
New advances in petrochemical plant manufacture could potentially lessen the process' reliance on fossil fuel sources.
B.
The fossil fuel resources incorporated in its products are less wasteful and environmentally damaging than the gas emissions produced by plant-based plastic production.
C.
Petrochemical plant manufacture is generally more sustainable in environmental terms than plant-based plastic production.
D.
Petrochemical plant manufacture generally depends on the most abundant fuel source available.
E.
Petrochemical plant manufacture does not share in fuel sources in common with plant-based plastic production.
【多选题】要把理想在实践中转化为现实,必须具有()精神。
A.
艰苦奋斗
B.
勤奋
C.
献身
D.
勇于实践
【简答题】用指针方法编写一个程序,输入3个整数,将它们按由小到大的顺序输出
【判断题】存在差异就一定会产生歧视行为。()
A.
正确
B.
错误
【简答题】For this part, you are allowed 30 minutes to write a short essay entitled My Views on Plastic Surgery. You should write at least 150 words according to the outline given below in Chinese: 1.越来越多的人接受整形...
【简答题】Drawings of human colonies on other planets often picture the entire community under a glass or plastic bubble. The bubble is intended to create an atmosphere with adequate oxygen and other essential ...
【多选题】专业的公关人员务必具备的公共关系观念应当包括( )
A.
社会意识
B.
公众观念
C.
形象观念
D.
互惠观念
E.
整体意识
【判断题】硒成为明星元素在于它的抗氧化性、抗癌和抗衰老作用。
A.
正确
B.
错误
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