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【单选题】
下列不属于高级语言的是( ) 。A.
Visual foxpro
B.
Java
C.
C语言
D.
汇编语言
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【单选题】It is amazing how many people still say, 'I never dream,' for it is now decades since it was established that everyone has over a thousand dreams a year, however few of these nocturnal (夜间发生的) product...
A.
their dreams fade very quickly
B.
they do not recall their dreams
C.
they sleep too heavily
D.
they wake up frequently
【单选题】It is amazing how many people still say, 'I never dream', for it is now decades since it was established that everyone has over a thousand dreams a year, however few of these nocturnal productions are...
A.
their dreams fade very quickly
B.
they do not recall their dreams
C.
they sleep too heavily
D.
they wake up frequently
【单选题】关于理想集成运放的输入电阻和输出电阻论述正确的是( )。
A.
输入电阻为0，输出电阻为0
B.
输入电阻为无穷，输出电阻为0，
C.
输入电阻为无穷，输出电阻为无穷
D.
输入电阻为0，输出电阻为无穷
【简答题】（5分）下列物质都可用于水质的净化或杀菌消毒。 （1）明矾和活性碳：向水中加入明矾搅拌溶解，静置一段时间后，进行 （填操作名称），从而除去固体小颗粒；再向所得的澄清液中加入活性炭，利用其 除去水中的颜色和异味。 （2）臭氧(化学式O 3 )：有强氧化性，可用于游泳池、生活用水、污水的杀菌和消毒。臭氧和氧气组成元素相同而化学性质不同的原因是 。 （3）漂白粉：可用于水的杀菌消毒，其有效成分是次氯酸钙...
【单选题】It is culture more than anything else determines how a nation’s civilization evolves.
A.
that
B.
which
C.
why
D.
as
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