题目内容
Task 9It is important for us to know how to stay safe while traveling in foreign countries. We’ve all heard the stories of travelers having their wallets（钱包）stolen or finding themselves in the wrong part of town. So you have to be more careful than usual, when traveling abroad.Remember to carry a small amount of cash and a copy of your ID with you at all times. There is no need to bring large amounts of cash with you. When shopping, use your credit card instead. Keep your wallet in your front pocket so that there is no way someone’s hand could get in there without your noticing it.Travel with a friend, business partner if possible. It is always better to travel in pairs than to go alone. Know where you’re going. Look at the map before you leave the hotel so that you know where you’re going and how to get there.Lock your valuables（贵重物品）either in the safe in your hotel room or in the main hotel safe.Be aware of your surroundings. Look around when walking, and avoid keeping your head low.1. When shopping abroad, you are advised to ________.A. use online services B. use a credit cardC. pay by checkD. pay in cash2. To keep your wallet safe, you’d better ________.A. hold it in your hand B. leave it in the hotel safeC. put it in your front pocket D. keep it in your shoulder bag3. To know where you are going, you are advised to ________ .A. ask the police for detailed informationB. look at the map before leaving the hotelC. always travel with your business partnerD. have a smart phone with you while traveling4. Where should you keep your valuables while staying in a hotel?A. In the hotel safe. B. In your pockets.C. In your traveling bag. D. In a bedside container.5. Which of the following can be the title for the passage?A. How to Ask Ways While Traveling B. How to Shop in a Foreign CountryC. Protect Your Personal Information D. Stay Safe While Traveling Abroad
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Task 10One of the things I always believe is that no matter how bad something is, you can take something positive out of it. The one time I wasn’t sure of that was on September 11.I usually wake up a 6:30 or 7:00 in the morning. That day, I happened to wake up earlier. I turned on the TV and I saw that a plane had crashed (撞击) into the North Tower of the World Trade Center. My first reaction (反应) was that it was a terrible accident. Then I saw another plane fly into the South Tower and I realized that I was witnessing (目击) an act of terrorism.My wife and I spent the day watching the terrible pictures over again. When I watched family members looking for their loved ones, the pain in their eyes was something I would never forget. I couldn’t understand how something this terrible could have happened.It wasn’t until a few weeks after September 11 that I began to see that perhaps some good did come from this tragedy (悲剧). People seem different now, more understanding, more tolerant (宽容的). Little things that seemed to be such a trouble before are no longer big things. Personally, I am more tolerant than I was. I realize life is too short, and too precious (珍贵的), to let myself get worried over small things. I’ve learned also that you can’t take things for granted. Things change in the blink of an eye. People go to work and don’t come back. One moment they’re living and the next minute they’re not. And, it doesn’t matter who you are, there is nothing you can do about it. We never know when our time here will be over, so we all need to make the most of every minute we have.You try to learn from what happened. You can’t be used up by it. You can’t live by it. All you can do is just live.6. The word “positive” in the passage probably means ______.A. terrible B. bad C. good D. real7. What did the writer see after he turned on the TV that morning?A. A fire starting B. A plane flyingC. A terrible accident D. An act of terrorism.8. From September 11, the writer had realized that___________.A. people should make the most of every minute they haveB. he has become less tolerant towards othersC. he should get worried about little thingsD. life is too short to care about others.9.Where did the act of terrorism happened?A. In the United States B. In JapanC. In France D. In Australia10. What’s the best title of this passage?A. A Report about September 11B. The Tragedy of September 11C. September 11 and My FamilyD. September 11 and My Turn.
两动点在运动过程中加速度矢量始终相等,这两点的运动轨迹( )。
动点相对于动坐标系的运动称为( )。
动点的牵连速度是指该瞬时牵连点的速度,它相对的坐标系是( ) 。
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