南京溧水縣2012年中考英語模擬試題

　　B
　　Many children use the Internet to get useful knowledge and information, and to relax in their free time. But some of them are not using in a good way. Here are some rules to make sure you are safe and have fun on the Internet.
　　● Make rules for Internet use with your parents. For example, when you can go online, for how long and what activities you can go online.
　　● Don’t give your password (密碼) to anyone else, and never leak out the following information---your real name, home address, age, school, phone number or other personal information.
　　● Check with your parents before giving out a credit (信用) card number.
　　● Never send a photo of yourself to someone in e-mail unless your parents say it’s OK.
　　● Check with your parents before going into a chat room. Different chat rooms have different rules and attract different kinds of people. You and your parents must make sure it’s a right place for you.
　　● Never agree to meet someone you met on the Internet without your parent’s permission (允許). Never meet anyone you met on line alone.
　　● Always remember that people online may not be who they say they are. Treat everyone online as strangers.
　　● If something you see or read online makes you uncomfortable, leave the site. Tell a parent or teacher right away.
　　● Treat other people as you’d like to be treated. Never use bad language.
　　● Remember—not everything you read on the Internet is true.
　　31. If you want a true friend on the Internet, you can ____________ .
　　A. tell the people what your name is      B. meet the people on line alone
　　C. write an e-mail about yourself         D. get your parent’s permission
　　32. It’s good for children to ________ on the Internet.
　　A. give password to othersB. get useful knowledge and information
　　C. give out a credit card numberD. go into a chat room as they’d like to
　　33. The underlined phrase “leak out” in the third paragraph may mean “________.”
　　A. 宣傳B. 發放        C. 泄漏          D. 釋放
　　34. If your parents don’t agree, never ________.
　　A. read anything on the Internet          B. relax in your free time
　　C. have a face-to face meeting with anyone you met online
　　D. treat other people as you’d like to be treated
　　35. This passage is mainly about “________”.
　　A. How to use ComputersB. Surfing on the Internet
　　C. Information on the InternetD. Internet Safety Rules
C
　　Have you ever rubbed your hands together when they get cold? Why do we do that? We do that for friction. Friction happens when two things that aren’t very smooth rub together to make heat energy. The faster you rub two things together, the more friction (and heat) you can make. Let’s discover friction!
　　WHAT YOU’LL NEED:
　　?Soap?Water?Your hands!
　　WHAT TO DO:
　　1. Make sure your hands are dry.
　　2. Rub your hands together until you feel the heat of your hands.
　　3. Now, use soap and water to get your hands very slippery（滑的）.
　　4. Try to make friction happen while your hands are slippery.
　　5. Please write down what has happened.
　　LET’S TALK!
　　Friction is an energy that happens when two things rub together. When friction happens, it makes heat! When your hands are slippery, they won’t make very much friction and your hands won’t get so hot.
　　DID YOU KNOW?
　　1. Friction happens when you stop your fast running bike.
　　2. Ancient people made fires by rubbing two pieces of wood together. Friction happened though they didn’t know it.
　　_____?___
　　Friction is everywhere. Have you ever noticed situations where friction is happening? If not, ask your parents to take you out in a car. If it is not too hot, touch the tires（輪胎） of the car before and after a short drive to see how much warmer they get from friction.
　　36. This text is most probably ________.
　　A. a science reportB. a car advertisement
　　C. a rubbing introductionD. a chemistry programme
　　37. You’d better make your hands ________ to get heat when you rub them.
　　A. slipperyB. dryC. wetD. smooth
　　38. When your hands are slippery, they _____________.
　　A. won’t make very much frictionB. get very hot
　　C. won’t make heatD. aren’t very smooth
　　39. ________ is not an example of friction.
　　A. Bike ridingB. Car driving
　　C. Hands rubbingD. Friction discovering
　　40. What’s the last column(欄目)？
　　A. THINK IT OVER!B. WHAT HAPPENED?
　　C. EVERYDAY ACTIOND. WORK WITH PARENTS
南京溧水縣2012年中考英語模擬試題

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