有关粪便颜色与性状的临床意义，正确的是()A．直肠癌为细条状便 B．痢疾为黏液脓血便

阅读理解。

     Do you want to say that what you think in a letter to Jimmy Carter, president of the United States? You will

get an answer from him-written in ink, not typed-after only a few days. Jimmy Carter gets about 4,000 letters

every week. He answers every letter on special White House paper. But he doesn't need a lot of time for it. In

fact, he only gives 20 minutes a week to look at his private letters. He has the most modern computer in the

world to help him. It costs about US$1,200,000.

     This computer has its own rooms on the first floor of the White House: It has a lot of electronic pens (电

子笔) and they write like the President writes, in his favourite light blue ink. Each letter takes less than a second

to write. A White House official said,"It's not important that the letters come from a computer. Each letter says what the president wants to say."

1. What is the passage mainly about?

A. President of the United States

B. The letters of president

C. President's computer

D. How president writes letters

2. How long does the computer spend in writing a letter?

A. A minute.

B. An hour.

C. A second

D. Less than a second.

3. How long does he spend in reading his private letters every week?

A. Twenty minutes

B. Twenty seconds

C. Ten hours

D. Half an hour

4. The computer cay say ______ in its letters.

A. the same words

B. the different words

C. the words that president wants to say

D. the simple words

5. The computer is very ______.

A. clever

B. friendly

C. cheap

D. useless

黄埔军校建立的主要作用有

①培养了大量军事人才②培养了大量政治人才

③为建立了革命军奠定了基础④得到了苏联和中 * * 党的帮助  [ ]

A．①③④    

B．①②④  

C．①②③    

D．①②③④

《供电监管办法》规定，用电设施产生谐波、冲击负荷影响供电质量或者干扰电力系统安全运行的，供电企业应当及时告知用户采取有效措施予以消除；用户不采取措施或者采取措施不力，产生的谐波、冲击负荷仍超过（）的，供电企业可以按照国家有关规定（）或者（）。

就给定资料自选角度，自拟标题，写一篇1000字左右的文章。要求中心明确，内容充实，论述深刻，有说服力。

高度评价广播的作用、把它称为“不要纸张、没有距离的报纸”的人是（）

A．加里宁

B．斯大林

C．列宁

D．高尔基