8．阅读下面的短文，并根据短文内容回答所提问题． Most teens need more than 9hours of sleep each night．But about 1in 4teens has trouble in sleeping．Lack（缺少） of sleep can affect everything from our feelings to how well we focus on tasks like studying．It can also influence sports performance，increase our chances of getting sick，and may be related to weight gain in some people． How can we get the sleep we need？Here are some ideas： Be active during the day．Get at least 60minutes of exercise a day．Physical activity can decrease（减少） stress and help people feel more relaxed．Just don't work too close to bedtime because exercise can wake you up before it slows you down． Say goodnight to electronics．Experts suggest using the bedroom for sleep only．At least shut everything down an hour or more before lights out． Keep a sleep routine（常规）．Going to bed at the same time every night helps the body expect sleep．Creating a set bedtime routine can improve this relaxation effect．Spending time with a pet，writing a diary or doing anything else can relax you． Expect a good night's sleep．Instead of worrying that you won't sleep，remind（提醒） yourself that you can．Say"Tonight，I will sleep well"several times during the day．It can also help to practice breathing exercises or gentle exercises before bed． Everyone has a sleepless night once in a while．But if you regularly have trouble in sleeping and you think it's affecting your mood or performance，talk to your doctor．
46．How many hours of sleep do most teens need each night？More than nine． 47．Can physical activity increase stress or decrease stress？It can decrease stress． 48．If Tom often has trouble sleeping and it affects like performance，what should he do？He should talk to his doctor． 49．Does making the light on help to have a good sleep？No，it doesn't． 50．Write down at least one of your suggestions about getting the sleep we need．Listening to some light music before going to bed helps us to relax．．
13．Many years ago，there lived a very rich man who wanted to do something good for the people of his town．But first he wanted to find out if they deserved （值得） his help．So he put a very large stone in the middle of the main road into the town．Then he stood behind a tree，waiting and watching． Soon an old man came along with his cow．"Who put this stone in the center of the road？"said the old man，but he didn't try to move the stone away．He passed around the stone with some difficulties and continued on his way．Another man came along and did the same thing； then another came，and another．All of them complained about the stone in the center of the road，but nobody tried to move it． Later in the afternoon，a young man came along．He saw the stone and said，"It will be dark at night．Some people will come along later in the dark and will fall over the stone and get hurt．"The young man then began to move the stone．He pushed and pulled and tried everything he could to move it out of the road．But to his surprise，under the stone he found a bag full of money and this message，"This money is for the person who moves this stone from the road．The person deserves help．" 51．Who put the stone in the center of the road？B A．An old man． B．A rich man． C．A young man． D．Another man． 52．All of the people coming along the road did nothing about the stone exceptD． A．people of the town B．the old man with his cow C．the rich man D．the young man 53．Why did the young man move the stone out of the road？C A．Because he was strong enough to move it． B．Because he knew there was a bag of money under it． C．Because he didn't want other people to fall and get hurt． D．Because the rich man wanted him to do so． 54．When the young man moved the stone，he foundC． A．a box B．a message C．a bag full of money and a message D．a bag full of messages 55．What can we learn from the passage？A A．If we do well，we will have well． B．If we move stones，we will have a lot of money． C．If you are young，you can have a lot of money． D．Other people were unlucky．
15．It was another day to jump rope in gym class．Lynn and Mike turned the long rope in big circles．The whole class hurried to get in line to wait for their turn to jump．Millie stood at the back of the line and frowned． Nick went first．He watched the rope and ran in at just the right time．Everyone counted（数数）．He made it all the way to 30 jumps．One after another，the kids watched the rope，ran in and jumped．Then it was Millie's turn．She watched the rope go around and around，but she didn't move．She felt like everyone was looking at her． Millie's friends cheered．"Go，Millie，go!" Millie's face turned red．At last，she tried，but she couldn't． The truth was that Millie jumped rope at home every day．With a short rope，she could jump 100 times without missing．She just didn't know how to run in and start jumping with a long rope．Since（因为） she was the only kid on her street，there was no one to help turn the long rope． Just then，Ms Miles，the gym teacher，brought out some short jump ropes． "Let's see how long each one of you can jump without missing，"she said as she gave each student a short rope，"Ready．Go!" Millie smiled for the first time ever in gym class．When she jumped，she sang rhymes quietly to herself． After a while，Millie knew that everyone was cheering，"Go，Millie，go!" The loud cheering almost made her stop，but she kept going．When at last she was too tired to go on，she stopped．The whole class cheered．Everyone was looking at her and smiling．Millie smiled sweetly，too!
63．One day Millie and her classmates jumped ropeD． A．during the ten minutes'break B．after school C．with their teachers D．in gym class 64．At the beginning of the story，MillieA． A．couldn't start jumping with a long rope B．stood at the front of the line C．was in an after school activity D．had no friends in her class 65．The underlined word"frowned"in paragraph 1means"B"． A．cried B．looked unhappy C．ran away D．smiled 66．From the passage we know MillieD． A．didn't like the long rope B．had no time to play at home C．often played the long rope with Mike D．was the only kid on her street 67．Which sentence is the best one for the missing part？C A．Millie wanted to have a rest． B．Nick got the first place． C．Millie was the last one still jumping rope． D．Mike would be the winnner．
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