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问题 选择题

In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care.

A．normal

B．constant

C．permanent

D．primary

答案

答案：D

考查形容词。句中primary为“主要的，首要的”之意。句意：那些日子里，我们主要的考虑就是给被暴雪受阻的人们提供食物和健康照护。

阅读理解

阅读理解。

     The teacher was giving the students a written exam (写作测验). He wanted them to write a composition

(作文)- "My Dog", no less than(不少于) 150 words.

     Little Tommy thought for a minute. Then he wrote "I have a dog. I call (叫做) him Bobby. I like my dog.

He is all black, only the nose is white …"Tommy stopped writing and counted (数) the words - 21. He

scratched(搔,抓) his head, thought for a few minutes and went on (继续……)."Every day, I take Bobby out

for a walk in the park. But when it rains, I do not take him out for a walk."Another 24 words. Tommy

scratched his head again, looked at the ceiling(天花板), then looked at the blackboard. He found nothing there.

He sighed (叹了一口气). Suddenly an idea came to him. He smiled (微笑) happily, and wrote quickly,"When

I want Bobby to come to, I call Bobby!Bobby! Bobby! If he still does not come, I just shout (大声地叫),

Bobby!Bobby! Bobby! Bobby…!" Tommy counted the words 149. He added(加) one more"Bobby", wrote

down his name and handed it in(hand in 上交) to the teacher.

1. The teacher asked the students to write a composition about _____.

A. my dog

B. Tommy

C. Bobby

D. a dog

2. Tommy found _____ on the ceiling.

A. an idea

B. a dog

C. nothing

D. some words

3. Which word comes most in Tommy's composition?

A. Dog

B. Bobby

C. I

D. He

4. Tommy's composition is _____ words.

A. 24

B. 45

C. 149

D.150

5. Choose (选择) the topic (题目) for the passage.

A. A composition

B. An Exam

C. My Dog

D. Bobby

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单项选择题

DNA模板链的碱基组成是C=28.5%、 C=12.8%、A=30.6%、T=28.1%，这条链转录成mRNA的碱基组成是

A．A=28.1%、G=12.8%、C= 28.5%、T=30.6%
B．A=28.1%、G=28.5%、C= 12.8%、T=30.6%
C．A=30.6%、G=28.5%、C= 12.8%、U=28.1%
D．A=28.1%、G=28.5%、C= 12.8%、U=30.6%
E．以上都不对
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