摘要: D.大学生暑假回家度假.

网址:http://m.1010jiajiao.com/timu3_id_2528386[举报]

阅读下列短文,从所给的四个选项中,选出最佳答案

 A radar (雷达) set produces radio waves and then gives them out into space by means of antenna (天线) . When the radio waves get to an object, they will come back to the radar antenna. The radar set then changes the radio echoes (回波) into an image (图像) . And from this image we can find out the direction of the object and its distance from the set.

 How can the radar show us the distance to the object then? Radio waves go out at a known speed about 300,000 kilometers every second. If the radio waves come back in 1/1,000 second, then they just have gone 300 kilometers. So the object must be half that distance, that is, 150 kilometers away.

(1) When the radio waves reach an object, they will _____.

[  ]

Achange their direction

Breturn to their antenna

Cdisappear completely

Dgo through the object

(2) We can find out where the object is _____.

[  ]

Aby means of antenna

Bfrom the radio waves

Cfrom the picture the antenna receives

Dfrom the radio echo

(3) Which of the following orders shows rightly how a radar works?

[  ]

aThe operator determines the distance and the direction according to the image

bRadio waves are sent out into space by radar

cAntenna receives the radio echoes and changes them into an image

dImage of object is shown on the screen

Ab-d-c-a   Bb-c-d-a

Cb-c-a-d   Db-a-d-c

(4) Which of the following formula (公式) is correct to judge the distance of an object?

[  ]

D distance

T time for the radio waves to reach an object and come back

S speed of the radio waves

AD=TS/2   BD=TS

CD=2T/S   DD=2S/T

(5) The reason why the object must be half the distance is that _____.

[  ]

Athe radio waves come back after they reach an object

Bthe radio waves are divided into two halves

Cthe radio waves will go a long way

Dthe radio waves will not go a long way

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阅读下面的短文,文章中有5处空白,文章后面有7组文字,请根据文章的内容选择5组文字,将其分别放回文章原有位置,以恢复文章原貌。

  Let children learn to judge their work.  1  .If corrected too much, he will stop talking.He notices a thousand times a day the difference between the language he uses and the language those around him use.Bit by bit, he makes the necessary changes to make his language like other people's.  2   They learn to do without being taught to walk, run, climb, whistle, ride a bicycle, compare their own performances with those of more skilled people, and slowly make the needed changes.

  But in school we never give a child a chance to find out his mistakes and correct them for himself.  3   we act as if we thought that he would never notice a mistake unless it was pointed out to him, or correct it unless he was made to.Let him work out, with the help of other children if he wants it, what this word says, what the answer is to that problem, whether this is a good way of saying or doing this or not.

  If it is a matter of right answer, as it may be in mathematics or science, give him the answer book.  4   Why should we teachers waste time on such routine work?   5   Let the children learn what all educated people must some day learn, how to measure their own understanding, and how to know what they know or do not know.

A.Children learn to do all the other things in the same way.

B.Let him correct his own papers

C.Point out his mistakes

D.We do it all for him

EWe allow him to learn from other children

FA child learning to talk does not learn by being corrected all the time

GOur job should be to help the child when he tells us that he can't find the way to get the right answer

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第三部分:阅读理解(共20小题,每小题2分,共40分)。
Live Music—Late Night Jazz
Enjoy real American jazz from Herbie Davis, the famous trumpet player. He is known to play well into the early hours, so don’t want to get much sleep.

PLACE: The Jazz Club   DATES:15—23 June
PRICE: RMB100—150   TIME: 10 p.m. till late!
TEL: 4668736
 
Scottish dancing is nice and easy to learn. The wonderful dance from England will be given.
PLACE: Jack Stein’s  DATES:10—20 May
PRICE: RMB150     TIME: 7--10 p.m.
TEL: 4021877
 
Shows – Anhui Museum
There are 12, 000 pieces on the show here. You can see the whole of Chinese history.
PLACE: Anhui Museum         DATES:30Mar.—30 June
PRICE:RMB60(RMB30 for students)
TEL: 4886888
TIME: Mon.—Fri. 9a.m.---5 p.m. Weekends 9 a.m.---9 p.m.
 
Your pen friend is coming from Australia to your city for a holiday. You send him this E-mail to tell his something about the hotels.
 
ROSE HOTEL
SUN HOTEL
DATES
PRICES(a night)
PRICES(a night)
1 Oct.—31Dec.
REM198
RMB168
1 Jan.—31Mar.
RMB178
RMB148
1 Apr.—30Apr.
(closed)
 
 
1 May—31 May
RMB218
RMB188
1 Jun.---30 Sep.
RMB248
RMB208
TEL:4686788 E-mail: Li Hong @163.com
1. If you want to watch dancing, you can call _____ .
A. 4668736   B. 4021877   C. 4886888   D. 4686788
2. You can see the whole of Chinese history at _____ in April in Anhui Museum.
A. 3 p.m. every day        B. 9 p.m. from Monday to Friday
C. 7 a.m. at the weekends    D. 7 p.m. every day
3. You can enjoy _____ at Jack Stein’s.
A. American Jazz   B. Scottish   C. 12,000 pieces on show   D. yourself all night
4. Sun Hotel and Rose Hotel are open for _____ months of the year.
A. nine   B. ten   C. eleven   D. twelve

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