题目内容

________ long the bridge is! Let me drive you over it．

[　　]
A．

What

B．

What a

C．

How

D．

How a

答案：C
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If we are driving a car or crossing a street, we will stop when the traffic lights turn red. Why do we use red rather than other colors?
As we know, scattering (散射) happens when light goes through the air. For the same media, if the wavelength (波长) is long, the scattering will be short. If the wavelength is short, then the scattering will be long.
Of all light we can see red has the longest wavelength, so the scattering is the weakest. That means the red light travels far. In fact, it travels farther on rainy days.
Using the red light can help drivers in farther areas see the lights. It helps drivers slow down or stop in time. If drivers don’t see the red light until they are close, they may not be able to stop the car in time. An accident may happen. Red can also excite people. We can act more quickly when we see the color red.
In a word, red light helps drivers stop in time and help prevent accidents.
【小题1】______ has the longest wavelength of all light we can see.
A．RedB．GreenC．YellowD．Black
【小题2】Red light travels farther on ______ days.
A．windyB．sunnyC．rainyD．cloudy
【小题3】Red can make people act more quickly because ____________.
A．red can make people happierB．the scattering of red is very short
C．the scattering of red is very longD．red can make people more excited
【小题4】The underlined word “prevent” means ______ in Chinese.
A．逃避B．防止C．处理D．检查
【小题5】The passage mainly tells us ____________.
A．why accidents happenB．how the red light travels
C．why we use red traffic lightsD．how to stop in time at traffic lights

Put an ice cube from your fridge into a glass of water. You have a piece of string(线) 10 centimeters long. The problem is to take out that piece of ice with the help of the string. But you must not touch the ice with your fingers.
You may ask your friends to try to do that when you are having dinner together. There is a saltcellar on the table. You must use salt when you carry out this experiment.
First you put the string across the piece of ice. Then put some salt on the ice. Salt makes ice melt(融化). The ice round the string will begin to melt. But when it melts, it will lose heat. The cold ice cube will make the salt water freeze(结冰) again.
After a minute or two you may raise the piece of string and with it you will raise your piece of ice!
This experiment can be very useful to you. If, for example, there is ice near the door of your house, you must use very much salt to melt all the ice. If you don’t put enough salt, the water will freeze again.
【小题1】We must use           when we carry out this experiment.

A．a fridgeB．some foodC．a tableD．some salt
【小题2】How long will it take to carry out this experiment?
A．More than three minutes.B．Five minutes or two.
C．Only one minute or two.D．About ten minutes.
【小题3】We can learn something about           from the passage.
A．physicsB．biologyC．chemistryD．maths

Most teenagers feel sad or afraid when their parents fight. They might think their parents don’t love each other any more.
In fact, it is normal for parents to disagree and argue sometimes. They might disagree about important thing like jobs and family decisions. They might even disagree about little thing that don’t seem important at all – like what’s for dinner. Maybe sometimes parents feel so strongly about their differences that it may lead to arguments. However, these arguments are often over quickly. Parents may say sorry and make up , and the family returns to normal
As a family member, you should find out what it really means when your parents fight. When your parents get angry with each other, they might say things they don’t really mean. If your parents are fighting, don’t worry too much about it. Try to find a good way to solve it.
If your parent’s fighting really bothers you, you might find it hard to sleep or got to school. If this happens, try talking to your parents. They may not even realize it until you tell them how their fighting has influenced you. You can also tell other relatives, a teacher or a close friend.
Just remember that no family is perfect and arguments are common in every family.
【小题1】What does it mean when parents fight?
A.  They aren’t happy with their family.
B.  They don’t love each other any more.
C.  They disagree with each other about something.
【小题2】The underlined part “make up” in paragraph 2 means “      ” in Chinese.
A.  弥补              B.  组成               C.  和解
【小题3】The underlined word “it” refers to “     ”.
A.  your parents’ fighting.        B.  your parents’ life      C.  your parents’ difference
【小题4】What should we do when our parents’ fighting bothers us?
A.  Talk to them.    B.  Shout at them.       C.  Say something nice to them.
【小题5】What can we learn from the passage?
A.  Parents’ fighting often lasts a long time.
B.  Parents might fight over small things.
C.  Teenagers should never argue with their parents.

A: Hello! I haven’t seen you  65._ a long  time.
B: Hello ! I have been to China.
A: China is a  66. place. You must enjoy  67. __ there.
B: Yeah. There are many places of  interest.
A: Oh , your skirt looks beautiful .What’s it made  68._?
B: It’s made  69._silk .
A: Is tea grown in Suzhou?
B: No, it’s  70.__ in Fujian.
A: 71. is Fujian?
B: It’s in the  72.__of China
A: Oh, I hope I can go there one day .

When spring comes, the days get ____ and the nights get _____.

A．long; short

B．short; long

C．shorter; longer

D．longer; shorter

 

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