38. ________ fell asleep that night.
　　A. Only the leader of the Scots   B. Only four Scottish guards on duty.
　　C. Roman soldiers.       D. The Scottish leader and all the Scottish soldiers.
　　39. What happened to one of the Roman soldiers while climbing up the hillside?
　　A. He was killed.              B. He fell down.
　　C. He put his foot on a thistle.   D. He was caught.
　　40. Why do the Scots make the thistle their national flower?
　　A. Because it’s beautiful.   B. Because it helped the Scots to beat the Romans.
　　C. Because it has sharp needles all over it.
　　D. Because all the people like it very much.
　　B.
　　Have you ever rubbed（搓） 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.
　　DO 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 isn’t too hot, touch the tires (轮胎)of the car before and after a short drive to see how much warmer they get from friction.
　　41. The text is most probably_______.
　　A. a science report             B. a car advertisement
　　C. a rubbing introduction        D. a chemistry program
　　42. You’d better make your hands ____ to get heat when you rub them.
　　A. slippery    B. dry   C. wet   D. smooth
　　43. What does the word “friction” in this text mean in Chinese?
　　A. 摩擦    B. 冷却    C. 膨胀    D. 震动
　　44. ________ isn’t an example of friction.
　　A. Bike riding   B. Car driving   C. Hands rubbing  D. Friction discovering
　　45. What’s the last column（题目）?
　　A. THINK IT OVER!      B. WHAT HAPPENED?
　　C. EVERYDAY ACTION!  D. WORK WITH PARENTS!
2011东营中考英语试题及答案(附听力材料)

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