题目内容
请根据下面的实验过程给图排序，将其序号填入第66 ～69空格中，并完成第70小题。Do the experiment as follows ：
【小题1】（ ）Put a short (0. 5 meter) board on two books. The books should be under the center of the board.
【小题2】（ ）Ask your partner to stand on one end. With your hands ， push down on the other end. Can you lift your partner?
【小题3】（ ） Put a longer (1 meter) board on the books. The end should be about 30cm from the books. Have your partner stand on the end that's near the books. Can you lift your partner?
【小题4】（ ）Now do the same with the longest (2 meters) board. The end should be half a meter from the books. What will happen? Yes ！ You can lift your partner easily ！
【小题5】What experiment is it?
| A．A chemistry experiment. | B．A physics experiment. |
| C．A math experiment. | D．A medical experiment. |
【小题1】B
【小题2】D
【小题3】C
【小题4】A
【小题5】B
解析【小题1】B 根据文中提到Put a short (0. 5 meter) board on two books. The books should be under the center of the board.往两本书上放一个0.5米的板，书至于板的中央，故选B项。
【小题2】D 根据文中提到Ask your partner to stand on one end. With your hands ， push down on the other end. Can you lift your partner，要求你的同伴站在板的一端，用你的手能翘你的同伴吗？，故选D项。
【小题3】C 根据文中提到Put a longer (1 meter) board on the books. The end should be about 30cm from the books. Have your partner stand on the end that's near the books. Can you lift your partner，放一个1米长的板在书上，末端离书30厘米，同伴离书较近，你能翘起他吗，故选C项。
【小题4】A 根据文中提到Now do the same with the longest (2 meters) board. The end should be half a meter from the books. What will happen? Yes ！ You can lift your partner easily，一个两米长的板，站在离书半米的地方，看你能不能翘起他呢。故选A项。
【小题5】B 题目中问这个什么样的实验，这是个物理实验，故选B项。
考点：任务型阅读。
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| SUNNY ENGLISH CLUB FOR STUDENTS 16:00-18:00 every Saturday 200 yuan a month. 9 Zhouyu Street Tel: 3785290 Foreign teachers, English songs and films and more! |
| IT’S MY BIRTHDAY! Ann hopes you can come to her party! Time: twenty to six in the afternoon Date: Saturday, August 29 Place: Flat 9B West Wing Tower Tel: 8754615 The more friends, the better. |
| TOUR GUIDE WANTED Age: 20-30 Good health. Two foreign languages. Apply to Red Rose Travel Agency. Tel: 6348209 |
| A．3785290 | B．8754615 | C．3801451 | D．6348209 |
| A．20 | B．30 | C．60 | D．73 |
| A．2, every day | B．2, every Saturday | C．8, every day | D．8, every Saturday. |
| A．5:40; August 29 | B．6:20; August 29 |
| C．5:40; August 19 | D．6:20; August 19 |
| A．The Health Center opens 5 hours every day. |
| B．You need to pay 600 yuan if you want to be a member of the Sunny English Club for half a year. |
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| D．The tour guide needs to know two foreign languages. |
A recent survey of 2000 parents in Britain showed that they are often afraid of science questions asked by their curious children only because they have no idea what the answer is. Here is a list of some simple questions that you can ask your parents to see if they know the answers.
Q: Why is the sky blue?
A: You probably know white sunlight is made up of seven colors. While it moves in a straight line when going through space, it starts to divide as it hits “raised area” in the atmosphere. The ones with longest wavelengths pass through easily. The blue , however , can be taken in by the gas molecules (分子) because it has a shorter wavelength , which in turn scatters (使分散) it in different directions. That’s why when you look up at the sky, it appears to be blue.
Q:Why does the moon sometimes appear during the daytime?
A: The simple answer to that is because just like any other object it is being lit by the sun. As long as it is around 45 degrees or even 90 degrees off the sun, it will receive light and be able to be seen. The only time it is not able to be seen during its 28-day orbit (轨道) around the earth is when it is right between the earth and the sun. That’s because its back , which is not lit by the sun, is facing us.
Q: Where do birds/ honeybees go in winter?
A: While the bird part is quite easy, since a lot of them get together and travel, the honeybee part is likely to puzzle your parents. It turns out that these busy insects stop being that active when the temperature drops below 50°F. Instead ,they get together in the lower central area of the hive （蜂巢）and form a ball around their queen. This helps keep both warm enough to survive the cold winter months.
【小题1】The sky looks blue mainly because the color blue in the sunlight_______.
| A．has the longest wavelength among all the colors |
| B．cannot be taken in by the gas molecules |
| C．doesn’t hit “raised area” in the atmosphere |
| D．cannot pass through space successfully |
| A．2 | B．28 | C．30 | D．31 |
| A．They choose to be active in the wild. |
| B．They choose to keep themselves warm. |
| C．They choose to travel to a warm place. |
| D．They choose to get together in the upper central area of the hive. |
| A．Why is the sky blue? |
| B．Why is the moon able to be seen during the daytime? |
| C．Why do birds travel in winter? |
| D．Where do honeybees go in winter? |
Many companies use guards and expensive alarm systems to protect their property (财产). Soon a new kind of protection will be used—robots. Engineers have been working on the first mobile robots for businesses. The robots will guard factories, warehouses (仓库) and museums at night.
The mobile robots will move around slowly on wheels. They will be able to detect (察觉,发现) people through walls and pick up sounds, such as breaking glass. They can be fixed with loud sirens to frighten thieves, or radios to signal police or guards.
To protect a building, a robot will have to move around without knocking into the walls. Information about the building will have to be stored in the robot’s small, built-in computer. A floor map could be programmed into the computer’s memory, for example.
A mobile robot will not be able to do everything. Unlike human guards, it will not be able to climb stairs, open doors, or move along rough ground. It won’t be able to tell the difference between friends and enemies. Because of that, people will have to be prevented from entering the area it moves.
One kind of mobile robot will be able to “sense” whether a chair or a box has been moved and go around it. This robot will also judge size well enough so that it won’t send an alarm if a cat crosses the room. And if someone tries to steal this robot, it will sound a loud, painful siren. The three-foot-tall robot is hard to be stolen anyway. It weighs about 200 pounds.
U.S. companies pay almost $10 billion a year to protect their property with alarm systems and human guards. Mobile robots may be cheaper. (296)
【小题1】 Why is the new kind of robots called mobile robots? Because they can _____.
| A．guard factories, warehouses and museums |
| B．send loud, painful sirens when it is stolen |
| C．sense moving objects and signal police |
| D．move around and do the programmed work |
| A．From a human guard. | B．From a built-in computer. |
| C．From another robot. | D．From radio signals. |
| A．New Guards. | B．Science and Technology. |
| C．Alarm Systems. | D．Engineers and Robots. |
No one wants to look silly or do the wrong thing at a new job. It is important to make the right impression(印象) from the first day. You’ll face new people. You will be in a new place.
It may be difficult to know what to do. Here are five tips to help you make it through the first days at a new job:
1. First impressions can last forever. Make sure you make a good one. Before your first day, find out if your new job has a dress code (rules about what you can wear to work). If so, be sure to follow it. No matter what, always be neat and clean.
2. Get to work on time. Give yourself an extra 15 minutes to make sure you arrive on time.
3. Pay attention to introductions. One of the first things that your supervisor may do is to introduce you to co-workers. These co-workers will be important to you. They are the ones who will answer your questions when the boss is not around.
4. Ask plenty of questions. Make sure that your supervisor has told you what is expected of you. If he or she has not told you your duties, ask for a list. Set daily and weekly goals for yourself.
5. Never be the first one to leave. Watch what your co-workers do around quitting time (下班时间). It does not look good for you to be eager(急切) to leave.
【小题1】 Before you arrive at work, you should __________.
| A．dress in a right way | B．introduce yourself |
| C．know your duties | D．know your co-workers well |
| A．You should be the first one to arrive at work. |
| B．You should ask your co-workers for your duties. |
| C．You should not be eager to go back home. |
| D．You are required to arrive 15 minutes earlier. |
| A．visitor | B．teacher | C．workmate | D．leader |
We know the mosquito very well. Mosquitoes fly everywhere. They can be found almost all over the world, and there are more than 2,500 kinds of them.
No one likes the mosquito. But the mosquito may decide that she loves you. She? Yes, she. It’s true that male mosquito doesn’t bite(咬) and only the female(雌性的) mosquito bites because she needs blood to lay eggs. She is always looking for things or people she wants to bite. If she likes what she finds, she bites. But if she doesn’t like your blood, she will turn to someone else for more delicious blood. Next time a mosquito bites you, just remember you are chosen. You’re different from the others!
If the mosquito likes you, she lands on your body without letting you know. She bites you so quickly and quietly that you may not feel anything different. After she bites, you will have an itch(痒) on your body because she puts something from her mouth together with your blood. By the time the itching begins, and she has flown away.
And then what happens? Well, after her delicious dinner, the mosquito feels tired. She just wants to find a place to have a good rest. There, on a leaf or a wall, she begins to lay eggs, hundreds of eggs.
【小题1】“Mosquito” means ______ in Chinese.
| A．苍蝇 | B．蜻蜓 | C．蜘蛛 | D．蚊子 |
| A．get angry with you | B．be afraid of you |
| C．make a lot of noise | D．choose another one |
| A．when you’re asleep | B．because you have chosen it |
| C．too quickly to let you know | D．but doesn’t like you |
 | It was Zhang Lei’s first time to visit Singapore. He lived in his uncle’s home. It was sunny most days. He visited many places and had many kinds of nice food. |
 | Linda spent her vacation in Hawaii. She had a great time there. The beaches were beautiful and the weather was fine. She had lots of delicious food. People there were friendly. |
 | Mrs. Brown didn’t enjoy her vacation in London. The bus trip was boring. And it rained every day,so she stayed in the hotel for 6 days. On the last day,she went shopping. But the shops were crowded and the things were really expensive. |
__________________________________________________________
【小题2】How were the people in Hawaii?
__________________________________________________________
【小题3】Why did Mrs. Brown stay in the hotel for 6 days?
I have a big family. In my family,there are 6 people—my father,my mother,my two sisters,my brother and me. My mother is Linda. My father is Mike. And our family name is Hand. My sisters are Gina and Sonia. They like baseball very much. My brother,David,is a lovely boy. He likes computer games. My name is Bob. I love my family.
【小题1】How many多少people are there in the family?
| A．Six | B．Seven | C．Five | D．Four |
| A．Bob Hand | B．Bob Mike | C．David Hand | D．Linda Hand |
| A．one | B．two | C．three | D．four |
| A．baseball | B．computer game | C．pictures | D．basketball |
| A．感谢 | B．想起 | C．喜欢 | D．讨厌 |