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【单选题】
计算机的存储器采用分级存储体系的主要目的是A.
便于读写数据
B.
减少机箱体积
C.
便于系统升级
D.
解决存储容量、价格、和存取速度之间的矛盾
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反馈参考答案：
举一反三
【单选题】Look! ______ ducks are coming here.
A.
Hundred of
B.
Hundreds of
C.
Three hundreds
D.
Three hundreds of
【单选题】Nearly _________ of the water here ________ polluted. [ ]
A.
three fourth；are
B.
three fourths；are
C.
three fourth；is
D.
three fourths；is
【简答题】Writing down a brief introduction and your feeling to a famous human landscape.
【简答题】This part is to test your ability to do practical writing．You are required to make an English form. of it by completing the table below．Remember to write it on the Composition/Translation Sheet． 请按照中文...
【单选题】_______ three nice _______ of my family.
A.
Here are; photos
B.
These are; photo
C.
Here is; photo
D.
This is; photoes
【判断题】Brief daily contact with a writing project results in more creativity and productivity than long intermittent writing bouts do.
A.
正确
B.
错误
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