造纸通常使用的纤维原料可分为（） A.木材纤维 B.禾本科草类纤维 C.膳食纤维 D

南北朝诗人王籍有“蝉噪林逾静，鸟鸣山更幽”的名句，宋代王安石则认为“一鸟不鸣山更幽”，黄庭坚说王安石的修改是“点金成石”。从哲学上看，是因为王安石

A．只见对立，不见统一

B．只见相互依存，不见相互转化

C．只见统一，不见对立

D．只见相互转化，不见相互依存

患儿4岁。反复患呼吸道和胃肠道感染，要求查找原因，医生疑其为原发性免疫缺陷病，拟进一步检查。

若要判断患儿B淋巴细胞功能，最佳方法是（）.

A.外周血总淋巴细胞计数

B.外周血淋巴细胞亚群计数

C.反向溶血空斑试验

D.血清中各类抗体水平测定

E.PHA刺激增殖试验

阅读理解

     So much to do, so little time. So much information, so little time to read it. In this age there is more

information than ever before. There is not enough time to read everything we want to read. However, you can consume more information in shorter time through speed-reading. This article will not make you read. 3,000 words per minute, but it will show you how to increase your speed significantly. You will also learn

the basic techniques of speed-reading, along with the dos and don'ts of speed-reading.

     When you first learned to read, you would say the word out loud and sound it out. Then you might

whisper the word because people can become annoyed when you read aloud. The stage you are now at is saying the word in your head. Most people tend to read this way. Saying the word in your head will cut

your reading speed tremendously (极大地).

     How do you calculate your reading speed? The speed is measured by how many words per minute you can read. Get some reading material, preferably a book. Find out how many words are on the page. Time yourself for one minute. Start your timer and start reading. When the timer beeps, stop. If you counted 500 words on the page and you read half of the page, and then you are probably reading at 250 words per

minute.

     The first thing about speed-reading is looking at the word and recognizing it. Don't say the word in your mind, just look at it and recognize its importance. Later you will recognize clumps of four words or more to increase your speed. This is the first and most important step in speed-reading.

     The next step is technique. As with any other skill, speed-reading requires technique. You should first

be sitting up straight with your book flat on a horizontal (水平的) surface, such as a table or desk. Next,

you should be able to see the entire page. This is necessary if you want to recognize clumps of words. Lastly, you should be focused. It's hard to read with a lot of noise. Find a quiet place to read. This will help

your understanding of the text.

     You need something to guide your eyes while reading. That's right, you should use your hand.

Remember when you were little, you would read using your finger. That is a great technique, only now

you're using your hand to underline each line. Move your finger smoothly across the page. No need to go

rush, start out slow. Keep your eyes focused on the words as you recognize them while using your hand

as a guide. This will increase your speed.

     The third step is practice. Practice makes perfect. Set time interval (间歇) .Read using different

techniques, but make sure you understand what you're reading.

1. Which of the following statements is true according to the text?

A. Now there is limited information than ever before.

B. Now conditions ask people to use less time to know more information.

C. Now people can read what they like.

D. The less you read, the more time you will spend.

2. What is the subject discussed in the text?

A. What speed-reading is.

B. Why we need speed-reading.

C. Now it is much information time.

D. People should practice speed-reading in different kinds of ways.

3. Which of the following shows the right way for the speed-reading from the text?

a. Ask for some techniques.      

b. Look at many words and recognize them.

c. Practice more.

A. c, a, b

B. c, b, a  

C. b, a, c

D. a, c, b

4. The underlined sentence "you should be focused" in the fifth paragraph means that ______.

A. a person should devote his attention to it while reading

B. your feelings will be hurt while reading

C. a person should smooth away difficulties while he reads

D. you should pay attention to your faults while you are reading

5. To speed up your reading, you should ______.

A. sit up straight with your book flat and use something to guide your eyes

B. say every word out loud and sound it out

C. know it is necessary to read quickly

D. underline some important words while you say them  

郭沫若张扬的个性主义和浪漫气质，构成了具有他自己特色的“我即是神，一切自然都是自我表现”的（）思想。

某有机物含有C、H、O三种元素，其蒸气密度是相同 条件下CH₄密度的3.625倍；在常压、120℃下，把1.16 g 该有机物在O₂中充分燃烧，将生成物通过足量的碱石灰，碱石灰增重3.72 g，且生成的CO₂和

H₂O的物质的量相等；该有机物可以使溴水褪色，且能与金属钠发生反应生成H₂。求：

（1）该有机物的摩尔质量。

（2）该有机物的分子式。

（3）已知该有机物的分子结构中不含甲基(-CH₃)，试写出其结构简式。