摘要:38.A.new B.old C.impossible

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  David’s got a text message from his friend Sam.Can you understand it?

  7,15  20,15  20,8,5  16,1,18,11

  This message was in code(密码,代码).How many letters are there in the English alphabet?Twenty-six.So can you read it now?

  David decided to use a different code in his answer to Sam.This time, he was putting A instead of B, B instead of C, and so on.His message to Sam shown on the right was very short.Can you understand?

  Sam guessed David’s code, and he replied:ZESDQ RBGNNK.When David’s little sister saw the message, she felt puzzled.She couldn’t read it at all.But David was very happy that his sister couldn’t read his message!

  Lots of people use codes to send secret messages.In a war, secrets are very important so soldiers often send each other messages in code.Nowadays, we can use computers to make and break difficult codes.Even before computers, people invented other machines to do this.

  Here’s a famous machine that Germans used in the Second World War(1941-1945).It’s called the Enigma Machine.The machines were very big, heavy and expensive.Every day they changed the codes automatically, and this made it almost impossible for anyone to break the codes.The person sending a message had one machine, and the person receiving the message had another.

(1)

Sam asked David to the ________.

[  ]

A.

park

B.

house

C.

museum

D.

zoo

(2)

Sam told David to meet him ________.

[  ]

A.

before breakfast

B.

after school

C.

after dinner

D.

before school

(3)

Codes are used to keep something ________.

[  ]

A.

new

B.

old

C.

secret

D.

known

(4)

People will never know the meaning if they can’t ________ the code.

[  ]

A.

break

B.

make

C.

change

D.

write

(5)

The best title of this passage is ________.

[  ]

A.

English Letters

B.

Codes

C.

Messages

D.

Machines

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People can do shopping in different ways.For several years,people in America and Europe have ___1___ teleshopping-watching TV and buying things by phone.People can turn on ___2___ and shop for clothes,food,toys and many ___3___ things.

Different people have ___4___ ideas about the teleshopping.Some people like teleshopping because it ___5___ them to do their shopping ___6___ leaving home.But at the same ___7___,some other people do riot like this ___8___ way of shopping.They usually worry about the ___9___ of the things.Good quality is important to them,and ___10___ cannot be sure about the quality of the things on TV.

1.A.enjoyed                 B.remembered         C.displayed

2.A.light                      B.radio                    C.TV

3.A.other                     B.extra                    C.expensive

4.A.the same                B.different               C.no

5.A.forbids                  B.allows                  C.hopes

6.A.without               B.with                    C.by

7.A.day                       B.shop                     C.time

8.A.new                      B.old                      C.impossible

9.A.price                     B.quality                 C.style

10.A.they                    B.we                      C.you

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完形填空

Carol and Susan are very good friends. They are in the same    1   at school and they often visit    2   home at weekends. Now they are    3   eight years old. Carol’s mother has got a new baby. Carol is very    4   to have a little sister. So she is always talking about her to Susan. At first Susan is very    5   in the new baby because she doesn’t have any brothers or sisters. But    6   some time she begins to get tired of Carol’s endless talking about it. She also feels a little jealous of her friend. One morning when the two girls    7   in the school ground, Carol says to Susan, “Do you    8  , Sue, my baby sister has put on nearly half a pound in weight this week.”

“That is not very    9  .” answers Susan. “I know a baby and he puts on ten pounds a day.”

“Oh, that can’t be    10  .” answers Carol laughingly. “Whose baby is it?” “An elephant’s.” says Susan.

1.  

A.home

B.table

C.class

D.group

2.  

A.each other’s

B.their

C.theirs

D.each other

3.  

A.all

B.two

C.both

D.either

4.  

A.angry

B.sorry

C.surprised

D.glad

5.  

A.interesting

B.interested

C.happy

D.satisfied

6.  

A.before

B.for

C.after

D.at

7.  

A.play

B.meet

C.weight

D.walk

8.  

A.hear

B.think

C.find

D.know

9.  

A.much

B.many

C.few

D.little

10. 

A.impossible

B.wrong

C.true

D.sure

 

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People can do shopping in different ways. For several years, people in America can Europe have  1  teleshopping-watching TV and buying things by phone. People can turn on  2  and shop for clothes, food, toys and many  3  things.

Different people have  4  ideas about the teleshopping. Some people like teleshopping because it  5  them to do their shopping  6  leaving home. But at the same  7  , some other people do not like this  8  way of shopping. They usually worry about the   9  of the things. Good quality is important to them, and  10  cannot be sure about the quality of the things on TV.

1.A. liked          B. remembered      C. displayed           D. enjoyed

2.A. radio          B. VCD            C.TV                D. computer

3.A.other                 B.extra                       C.expensive                D.cheap

4.A.the same            B.different                  C.no                          D.many

5.A.forbids              B.allows                     C.hopes                     D.wants

6.A.without             B.with                       C.by                          D.for

7.A.day                   B.shop                       C.time                       D.date

8.A.strange              B.old                         C.impossible        D.new

9.A.price                 B.quality                    C.style                       D.color

10.A.they                B.we                         C.you                        D.he

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