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问题 单项选择题

显卡的显示存储器容量越来越大，目前有些已达到64MB或128MB，其主要原因是

A．显示器的分辨率越来越高

B．所显示的颜色数目越来越多

C．所显示的三维真实感图形的质量越来越高

D．显示器的刷新频率越来越高

答案

参考答案：C

解析：显示存储器的容量与显示器分辨率和每个像素的位宽有关，所以现在显卡容量越来越大的原因只可能是图像质量的提高。

阅读理解

阅读理解。　

     Mr. Green has two cats. One is big and the other is very small. He likes them a lot. One day, Mr.Lee, a

friend of his, comes to see him. When he sees two holes (洞) in the door-a big hole and a small one. He is

very surprised and says,"My dear friend, why do you make two holes in your door?" "Let the cats come in

and go out," Mr.Green answers. "But why are there two holes? Isn't one enough?" he says,"How can the big

cat go through (过) the small hole?" he says.

根据短文判断下列句子正(T)误(F)。　　

( )1. Mr. Lee has two cats. 　

( )2. One day, Mr. Lee goes to Mr. Green's house to see the cat.　　

( )3. There are two holes in the door. 　　

( )4. Mr. Green is a clever man.

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单项选择题

污染严重的面部伤口需

A．清创及不予缝合
B．清创及延期缝合
C．清创及一期缝合
D．清创及植皮
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