How Do People Pass on Messages（信息）？
When you write a letter or make a telephone call，your words carry a message．People communicate（交流） with words．Do you think you can communicate without words？Tears in your eyes tell others that you are sad．（1）CC When you put up your hand in class，the teacher knows you want to say something or ask questions．You shake（搖動(dòng)） your head，and people know you are saying no．（2）AA Other things can also give some information（信息）．For example，a sign at the bus stop helps you to know which bus to take．A sign on the wall of your school helps you to find the library．（3）DD There are a lot of signs around you and you receive（接收） messages from them all the time．
People can communicate in many other ways．An artist can use his pictures to tell about beautiful mountains，the blue sea and many other things． （4）BB They also tell about people and their ideas．Books，magazines，TV，radio and movies all help us to communicate with other people．They all help us to know what is going on in the world．
A．You nod（點(diǎn)頭），and people know you are saying yes．
B．Books are written to tell you about all great things in the world．
C．A smile on your face shows you are happy and friendly．
D．Signs on doors tell you how to go in or out．
【考點(diǎn)】人與社會(huì)．
【答案】C；A；D；B
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/4/20 14:35:0組卷：13引用：3難度：0.1
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3．Do your eyes jump a few times a second over a period of time？A jumping eye can happen to anybody at any time.There are several reasons for a jumping eye.Let's have a look at it!
Tiredness
Not getting enough sleep or working for too long without rest may cause our eyes to complain.Scientists aren't sure why，but they've found that getting more rest will make our eyes feel better.（1）
Dry eyes
More and more people work office jobs.（2）This unhealthy way of life can lead to dry eye syndrome（DES干眼癥）.When our eyes are too dry，they can't help jumping to keep them wet.To stay away from DES，you can use eye drops if you use the computer for more than seven hours a day.（3）
Stress（壓力）
This is the most important reason for a jumping eye.It does harm（傷害） to our eyes if it lasts for too long.（4）To solve the problem，we can see our friends or relax ourselves to reduce（減少） the stress that might lead to jumping eyes.
根據(jù)短文內(nèi)容，從下列選項(xiàng)中選出能填入文中空白處的最佳選項(xiàng)，其中有一個(gè)多余選項(xiàng)。
A.Remember not to stay up late.
B.Make sure to look away from the screen once every 20 minutes.
C.A jumping eye doesn't happen in winter.
D.Most time they sit and look at the computer screen.
E.When we're under a lot of stress，the body gives out stress hormones（荷爾蒙）.發(fā)布：2024/12/21 22:30:4組卷：9引用：3難度：0.5
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