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【简答题】
A.To choose a topic for a term paper. B.To type some research materials. C.To find material not available anywhere else. D.To learn to use the computers there.
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【单选题】采用间歇反应釜来生产乙酸乙酯,反应方程式如下:a+b→c+d。a,b,c,d分别代表了乙醇,乙酸,乙酸乙酯和水,反应等温等容进行,其为可逆反应。反应速率方程为:-r=k(Ca*Cb-Cc*Cd/Kc)。其中k为2.2*10^-6m3/(kmol.s),Kc为2.93。反应初始溶液的组成为,乙醇3.91 kmol/m3;乙酸10.2 kmol/m3;乙酸乙酯为0;水17.56 kmol/m3,乙酸乙...
A.
330.9678
B.
313.6683
C.
348.2672
D.
192.5725
E.
296.3689
F.
279.0695
【简答题】Flacks is a UK-based company that produces fashion accessories for women. How can it continue to grow its business?
【单选题】Most drinks stating that they are fruit­ flavored (水果味道的) contain no fruit at all, while most of the rest contain only a small quantity of fruit, according to a study carried by the British Food Commi...
A.
The products which contain real fruit are popular with people.
B.
Even products advertised as more natural often contained no fruit.
C.
They found that about 60 percent of them didn't contain any fruit at all.
D.
If companies can cut their costs by using flavoring, they are likely to do so. E. It is important and necessary to demand a small amount of flavoring in the products. F. Actually the product contains just a tiny percentage of strawberry or even no fruit at all. G. The Food Commission suggested all flavors used in a product should be listed on the packaging.
【单选题】设置高速缓冲存储器的目的是( ) 。
A.
提高辅存存取速度
B.
扩大辅存容量
C.
扩大主存容量
D.
提高CPU访问主存的速度
【简答题】李白诗中的名言名句填空 君不见黄河之水天上来,_________________。
【简答题】设置高速缓冲存储器的目的是解决CPU的运算速度和 的读写速度不匹配问题。
【单选题】对用噻嗪类利尿剂的病人,应特别注意观察有无
A.
心律失常
B.
下肢静脉血栓形成
C.
低钾血症
D.
黄视、绿视
E.
低血糖症
【简答题】单词拼写(共10小题,满分5分) 小题1:He stared at the picture with _____________(好奇心). 小题2:Reading more books is of great  _____________(益处)to children. 小题3:They are ____________(寻找)for solutions to the problems. 小题4...
【单选题】设置高速缓冲存储器的目的是解决()的问题。
A.
主存与CPU速度不匹配
B.
主存与辅助存储器的速度不匹配
C.
辅助存储器与CPU速度不匹配
D.
主存容量不足
【简答题】设置高速缓冲存储器的目的是 ________________ 。
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