发动机在运转过程中，伴随有间断的金属敲击声、连续的金属敲击声，连续的金属摩擦声等不正

小强因为心情不好砸坏了课桌，这种调节情绪的方法是合理发泄法。[ ]

PDCA循环的特点不包括( )。

A．完整的循环

B．逐步上升的循环

C．大环套小环

D．永无止境的循环

阅读理解。

Word Power

Author(s): Kaplan $13,95

You'll never be at a loss for words again．Energize your vocabulary with must-know everyday words

that are the essentials of a good vocabulary, engaging lessons to help you use words in text, hot words

often found on tests, tips to help you figure out new words, roots, and more.

Grades: 8 & up Ages: 13 & up

Word Smart Junior

Author(s): Russell Stauffer $ 17．95

Now this is the way to add new words to your vocabulary! Word Smart Junior will make you laugh so

much．You'll be amazed that you've just learned more than 120 fascinating and very useful words!

Parents, teachers, and friends will marvel at your eloquence (口才)!

Grades: 3-5 Ages: 8-10

Grammar Smart Junior

Author(s): Marcia Reynolds $ 16．85

Do you quake when your teacher says, "Now it's time for grammar"? Do your verbs agree with your

subjects?

Fear no more! A big Hollywood producer and a famous movie star will help you learn all those nasty

(讨厌的) elements of grammar. You'll be amazed at how quickly you learn, and how much fun it can

be．You'll finally know your grammar backwards and forwards and you'll never have to worry about

it again．

Grades: 7-9 Ages: 12-14

Grammar Smart: An Audio Guide to Perfect Usage

Author(s): Julian Fleisher $ 12．68

The words you use say a lot about you. but the way you put them together says even more.

Your grammar makes an immediate and lasting impression on your teachers, and even your friends.

So don't make the mistake of thinking that grammar is too complicated．We've created Grammar

Smart to help you write and speak with clarity and confidence．

Grades: 6-8 Ages: 11-13

1. If a ten-year-old boy wants himself to be admired because of his speech ability, he may buy ____．

A. Word Power          

B. Word Smart Junior

C. Grammar Smart Junior  

D. Grammar Smart: An Audio Guide to Perfect Usage

2. By saying "You'll finally know your grammar backwards and forwards", the writer means "_____"．

A. You will be clearly familiar with grammar

B. You will know the history of grammar

C. You will know the make-up of grammar

D. You will learn about the future of grammar

3. The four books are all about ____.

A. fiction and mysteries          

B. parenting and teaching

C. literature and arts            

D. language study

根据《建设工程安全生产管理条例》规定，国家对严重危及施工安全的工艺，设备，材料实行（）制度

A.限制使用

B.定期取消

C.淘汰

D.禁止生产

“改变的是潮流，不变的是传承”是2011年央视春晚的一句解说词。对此理解正确（）

A.文化应该在继承中发展

B.文化发展的实质在于继承

C.流行文化不如传统文化优秀

D.传统文化的具体内涵是不变的