问题 名词解释

展成法

答案

参考答案:

利用刀具和工件作展成切削运动时,刀刃在被加工表面上的包括面形成成形表面。这种加工方法所能达到的精度,主要取决机床展成运动的传动链与刀具的精度等因素

阅读理解

阅读理解

     It happened to me recently that I was telling someone how much I had enjoyed reading Barack

Obama's Dreams from My Father and how it had changed my views of the current US president.The

person I was talking to agreed with me that it was,in his words,"a wonderfully written book".However,he

then proceeded to talk about Mr Obama in a way that suggested he had no idea of his background at all.I

sensed that I was talking to a book liar.

     And it seems that he is not the only one.Clearly two thirds of people have lied about reading a book B

which they haven't.In the World Book Day survey,Dreams from My Father is at number 9.The survey

lists top ten books,and various authors,which people have lied about reading.As I'm not one to lie too

often,I'll admit here and now that I haven't read the entire ten books.But I am pleased to say that I have

read the book at number one,George Orwell's 1984.I think it's absolutely outstanding.

     Asked why they lied,the most common reason was to impress someone they were speaking to.This

could be difficult if the conversation became more indepth!

     The World Book Day survey also has some other interesting information in it.It shows that many people

lie about having read classical works by Jane Austen,the Bronte sisters,Charles Dickens and so on.But

when asked which authors they actually enjoy,they named J.K.Rowling,Jilly Cooper,and Stephen King

(ah,the big sellers,in other words).Fortyone percent of people asked admitted they turned to the back of

the book to read the end before finishing the story.

     So which books have you lied about reading-if any-and which is your favourite?

1. The main reason why people lie about reading is to _____.

A. make fun of the listener

B. impress the listener

C. please the listener

D. interest the listener

2. The underlined word"proceeded" in the passage probably means "_____".

A. wanted  

B. happened

C. continued  

D. stopped

3. What does the World Book Day survey show?

A. Nearly half of the people surveyed didn't read through a whole classical book.

B. People don't like Dreams from My Father and George Orwell 's 1984.

C. Few people lie about having read classical works by Jane Austen.

D. People usually enjoy reading books by Charles Dickens.

4. What is the best title for the passage?

A. Are You a Book Liar?  

B. Readers Are All Liars

C. World Book Day  

D. Dreams from My Father

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