标准CD唱片采用的声音信号采样频率是（），数据量化精度是（），使用EFM通道编码把每

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

用a表示商场中商品原价，按八折出售，现在的售价为______元，一件原价200元的衣服，现在可以便宜______元．

       家乡有一句“紧走搭石慢过桥”的俗语。搭石，原本就是天然石块，踩上去难免会活动，走得快才容易保持平衡。人们走搭石不能抢路，也不能突然止步。如果前面的人突然停住，后边的人没处落脚，就会掉进水里。每当上工、下工，一行（héng    xíng）人走搭石的时候，动作是那么协调有序！前面的抬起脚来，后面的紧跟上去，踏踏的声音，像轻快的音乐；清波漾漾，人影绰绰，给入画一般的美感。     

1．给文中的字选择正确的读音。     

2．用“______ ”画出自己最喜欢的一个句子，并说说喜欢的理由。

     ___________________________________________________________________________

     ___________________________________________________________________________

3．从这段话中你体会到了怎样的美？ 

     ____________________________________________________________________________

东南亚有许多旅游胜地，著名的花园城市位于（　　）

A．缅甸

B．越南

C．新加坡

D．马来西亚

钙、铂粉的火灾可用（）扑灭.

A.水

B.泡沫

C.沙土