计算机数的最小单位是( )A．字节 B．位 C．字 D．byte

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

晏某，男，28岁。1996年5月6日就诊。主诉：阑尾手术后少腹痛20天，加重2天。患者发病的20天前，在乡卫生院行阑尾切除术，术后右下腹疼痛始终未消，初时输入大量青霉素，后加服多种止痛药，均无明显效果。近2天疼痛加重，故要求服中药治疗。检查：体温37．0℃。舌淡，舌下有瘀斑，苔薄腻，脉沉涩。右下腹压痛。刀口愈合良好。血常规：白细胞7×10⁹／L。

该病的证候分型是 （）

A.气滞腹痛

B.寒积腹痛

C.肠道实热

D.中阳不足

E.瘀血阻滞

在管道通过障碍时，或在工厂区为了管理维修方便，采用( )。

A．地上敷设

B．地下敷设

C．高空敷设

D．架空敷设

2808除以9的商比1001少多少？

以下不属于微电网控制功能的是（）。

A.有功功率和无功功率控制（P-Q控制）

B.电压调节

C.电流调节

D.频率调差控制