As space science develops, man has learned more and more about space. Space is n

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As space science develops, man has learned more and more about space. Space is not only amazing but also dangerous. While working in space, spacemen are facing danger as well as success.

Scientists have found out that the radiation（辐射） is the greatest danger to spacemen in space. When spacemen are working in space, they are in danger of the radiation from the sun and other stars, which is bad for their health. The harm of the radiation won’t be found until their children even grandchildren are born. Some special medicine may work a little, but no really effective medicine has been found so far.
Space rubbish is also thought to be a great danger to spacemen. It’s reported that there were 9,000 man-made things flying in space. About 30% of these are satellites, 10% are spaceships, and the rest are space rubbish. An explosion（爆炸）in space in 1999 made a cloud of 300,000 fragments, each at least 4mm in size. A small piece of these even knocked a spaceship window and caused some damage（损坏）.
Scientists are watching and reporting any possible danger all the time. They are working to deal with space rubbish. Although space is really dangerous, it interests many people on the earth. In the near future, it may become possible for people to spend a few days in a space hotel. We may even choose to leave the earth and live in space in a few years. So we should do something to help improve the space environment.
小题1: ______ shows the man-made things in space in the correct way.

A．

B．

C．

D．

小题2:The radiation from the sun and other stars is ______ to spacemen.

A．good

B．helpful

C．useful

D．harmful

小题3: The underlined word “fragments”means “______”.

A．碎片

B．泡沫

C．烟雾

D．飞碟

小题4: The passage talks about _________ kinds of danger in space.

A．two

B．three

C．four

D．five

小题5: Which of the following is TRUE?

A．Scientists have found out ways to solve any problem in space.

B．Every one of us can have a travel to space in ten years.

C．The harm of the radiation may be found in the spacemen’s children.

D．Space is really dangerous, so it doesn’t interest anyone on the earth.

答案

小题1:B
小题1:D
小题1:A
小题1:A
小题1:C

解析

【主旨大意】文章介绍了宇航员们在太空当中也会面临着许多危险，其中主要是辐射和太空垃圾的威胁；辐射对宇航员们的伤害可能会在他们的第二代甚至第三代身上表现出来；太空垃圾中有一些是人造垃圾。太空垃圾对人们探测宇宙有很大的。
小题1:B 推理判断题  由第三段中的句子“It’s reported that there were 9,000 man-made things flying in space. About 30% of these are satellites, 10% are spaceships, and the rest are space rubbish.”可推断出选项B是正确答案；
小题1:D细节理解题  根据第二段的句子“Scientists have found out that the radiation（辐射） is the greatest danger to spacemen in space. ”可知道辐射是有害的，故选D；
小题1:A词意猜测题  根据下文中的small piece等可以看出该词意为“碎片”，故答案选A；
小题1:A总结归纳题  文章中共提到了两种太空威胁：一种是辐射；另一种是太空垃圾，故正确答案选A。
小题1:C 推理判断题根据文中第一段中的句子“ The harm of the radiation won’t be found until their children even grandchildren are born.”可得到正确答案为C。

举一反三

American schools are quite different from those in China. In America, at the beginning of the term, students must select their courses and teachers first. While in China students usually have no chances to select their courses and teachers.

Selecting is very important for your grades in America. So at the first term, don’t select too many courses, 74.or you’ll feel very nervous and it may influence your study. Then you have to ask for some teaching plans. There is some information about subjects, time arranging, marks and textbooks. At the same time, you must choose the teachers. Different teachers have different teaching methods. If the teacher is called “killer” by the last grade, many students will give up choosing him. Because this kind of teacher will leave too much homework, too many exams and give too low grades.
There is another thing after you select the course and the teacher. How to buy textbooks makes each student feel hard. The textbooks in America are very expensive. Each copy is about $30～50. In order to save money, many students buy some used textbooks, and some students usually borrow textbooks from the school library. You must get enough ready before class. In class, discussing is very important. 75. 老师鼓励你提出问题或展示你自己的观点。They don’t usually ask you to sit well. Instead they allow you to sit or stand everywhere you like. They don’t give you much homework to do. You can learn some knowledge and do exercises by yourself. So in American schools, you must do almost all things yourself.
根据文章内容，补全71、72句中所缺单词、短语或句子。
小题1: At the beginning of the new term, American students have to ask for some teaching plans and get their textbooks ready besides ____________________.
小题2: The teacher____________________will always leave too much homework, too many exams and give too low grades.
小题3: 根据文章内容回答问题。
Why do many students in America buy used textbooks ?
小题4: 请将文中黑体字译成汉语。
小题5: 请将划线句子译成英语。

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A teacher stood in front of his history class of twenty students just before handing out the final exam. His students sat quietly and waited for him to speak.
“It’s been a pleasure teaching you this term,” he said. “You’ve all worked very hard, so I have a pleasant surprise for you. Everyone who chooses not to take the final exam will get a ‘B’ for the course.”
Most of the students jumped out of their seats. They thanked the teacher happily, and walked out of the classroom. Only a few students stayed. The teacher looked at them. “This is your last chance,” he said. “Does anyone else want to leave?” All the students there stayed in their seats and took out their pencils.
The teacher smiled. “Congratulations (祝贺),” he said. “I’m glad to see you believe in yourselves. You all get A’s.”
小题1:This story most probably took place .

A．at the beginning of the term	B．in the middle of the term
C．at the end of the term	D．at the beginning of the school year

小题2: Most of the students got Grade ______.

A．‘A’

B．‘B’

C．‘C’

D．‘F’

小题3:Why did some students stay in their seats?

A．Because they wanted to take the exam.

B．Because the teacher told them to stay in their class.

C．Because they were afraid to leave.

D．Because they didn’t have anything to do.

小题4: The teacher gave the students who stayed in the classroom A’s because ______.

A．the teacher liked them

B．they were cleverer than the other students

C．they believed in themselves

D．they studied hard

小题5: The underlined word “them” in Paragraph 3 refers to “______”.

A．students staying in their seats	B．students leaving the classroom
C．their seats	D．all the students

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What does it feel like to break a bone (骨头)? It’s different for everyone, but the pain is often sharp (严重). If the break is small, however, the person may not feel much pain at all. If you think that you or someone else has broken a bone, the most important things to do are to stay calm, make the hurt person comfortable, and call the doctor. Do not move the injured body part since movement could make it worse.
To treat the break, the doctor will need to take an X-ray. This gives the doctor the information he or she needs to set (接上) the bone: to put it back to its normal place. If the bone is large or it is broken in more than one place, the doctor may need to use metal pins (钢钉) to set it. After the bone has been set, the next step is usually putting on a cast, the special, hard thing that will keep the bone in place for a month or two.
Your bones are excellent at healing themselves. Broken bones will produce many new cells (细胞) and tiny blood vessels (血脉). These cover both ends of the broken part, and close up the break until the bone is as whole and strong as before.
小题1: Which of the following is the best title for the passage?

A．How to Know if a Bone is Broken

B．How Broken Bones Heal Themselves

C．Common Causes (原因) of Broken Bones

D．What You Should Know about Broken Bones

小题2: When someone breaks his bone, the following should be done except ______.

A．asking the doctor for help	B．comforting the hurt person
C．moving the injured part	D．staying calm

小题3:Which is the correct order to treat the break?
a. take an x-ray b. use metal pins to set it c. put it back to its normal place d. put on cast

A．a→b→c→d

B．a→c→b→d

C．a→d→c→b

D．d→a→b→c

小题4:The underlined word “heal” in Paragraph 3 is closest in meaning to “______”.

A．break again

B．become worse

C．wound or hurt

D．become healthy again

小题5: Where would you probably read this passage?

A．In a story book.

B．On a poster.

C．In a health care book.

D．In a chemistry book.

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We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we make it known to others soon. But can you imagine that a tree can talk and share hews too? Of course, no tree moves lips and says words just as people do. Strange as it may sound, though, some trees do manage to communicate with each other.
Willow(柳树) trees are the best-known of these trees. When insects(昆虫) begin nibbling(叮咬) a willow tree, the tree sends out a special smell at once. This smell tells the other willows that harmful insects are coming near. All of them quickly make a chemical(化学物质) in their leaves. This chemical is bad to the insects. The insects do not like it and they fly away soon. In this way, the willow trees protect themselves from the insects.
The next time when you take a walk in the woods, maybe the trees are “talking” to each other quietly. And when someone says that trees cannot “talk”, please tell them that even trees give messages to each other, too.
小题1:Willow trees send messages with _________.

A．words

B．movements

C．smells

D．sounds

小题2:the underlined word “lips” in the first paragraph means ________.

A．树干

B．嘴唇

C．枝条

D．手势

小题3: The passage tells us that some of the trees can ________.

A．speak just as people do	B．tell stories to others
C．communicate with each other	D．kill insects in the woods

小题4:According to the passage, the right order of the following is ________.
a. The willow tree gives out a smell.
b. The willow trees make a chemical in their leaves.
c. Insects fly a way because of the chemical.
d. Insects begin nibbling a willow tree.

A．d-a-b-c

B．d-b-a-c

C．a-b-c-d

D．d-c-b-a

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Earthquakes are hard to predict. but do you know what to do before, during and after an earthquake? Here’s some advice:
Before an earthquake It’s necessary to prepare yourself and your family. All family members should know how to turn off gas, water and electricity and know useful telephone numbers(doctor, hospital, police, 119, etc.). Never put heavy things over beds.
During an earthquake It’s important for each of you to stay calm. If you are indoors, quickly move to a safe place in the room such as under a strong table. The purpose is to protect yourself from objects, stay away from windows, large mirrors, heavy furniture and so on. If you’re cooking, turn off the gas. If you’re outdoors, move to an open area like a playground. Move away from buildings, bridge and trees. If you are driving, stop the car as soon as possible, staying away from bridges and tall building. Stay in your car.
After an earthquake Once the shaking has stopped, DO NOT run out of the building at once. It’s better to wait and leave when it’s safe. Check around you and help the people who are in trouble. If your building is badly broken, leave it. If you smell of hear a gas, get everyone outside and open windows and doors. If you can do it safely, turn off the gas. Report it to the gas company.
小题1:Which of the following is mentioned in the second paragraph?

A．People should know how to turn on gas.

B．People should now how to save water.

C．People shouldn’t put heavy boxes over beds.

D．People shouldn’t forget the phone numbers of others.

小题2:When an earthquake happens, __________can help you deal with it.

A．standing still

B．staying calm

C．looking outside

D．moving indoors

小题3: During an earthquake, if you are driving in an open area, you should ________.

A．speed up your car	B．stop your car and stay in
C．slow down your car	D．stop your car and run out

小题4: When the earth stops shaking , you should_________.

A．check around you first	B．run out of the building at once
C．break the windowns and doors.	D．write a report to your company

小题5:You can learn _______after reading the passage.

A．what an earthquake is like	B．what to do to avoid an earthquake
C．how an earthquake happens	D．how to protect yourself in an earthquake

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