閱讀理解。

　　John White comes from Sydney．John is his first name,and White is his last name．He is fifteen years old．Now, he is studying in a middle school in Tianjin．His father, his mother and his little sister Kate are in China,too．Both his father and his mother are teachers．They like their work．They have many students．His sister Kate is only six years old．She is a lovely girl．

　　They all like Chinese very much,and they say,”Chinese food is the best!”But Kate doesn't like Chinese tea．Now they are in Zhongshan Park John likes swimming and he is swimming in the river．But what are the others doing? His father and his moth-er are reading under a big tree．Kate is running near the river．How happy they are!

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閱讀理解，閱讀下面的短文，然后根據(jù)短文內(nèi)容，選擇最佳答案。

　　It's cool, it's hot, and everyone is doing it．People talk about it often，and friends tell other friends how good they look．Sound like a fashion? It's actually trend(傾向)： “blog”．What's a blog? A blog is a personal online diary．The word “blogger” means a person who writes diaries online．

　　Many bloggers are teens who’ve been logging(進(jìn)入)onto sites to talk about anything in their lives．Many of today's teenagers are not afraid to openly discuss everything in their lives．Teens complain about parents and homework．They share diaries, post songs from the latest bands and show pictures of theirs．They write their own poems(詩(shī)), say something about their girlfriends or boyfriends and complain to each other or offer support．But mostly they just write down what they do every day．

　　However, many parents are afraid of these young bloggers．Parents see the kids talking about how they got drunk(喝醉的)last weekend and how they don't like studying．They are using language that is surprising to their parents．Besides hearing from their friends, teen bloggers also get messages from strangers．Most of the time, it's older men asking to meet teenage girls．“These strange men are dangerous for my kids．They sometimes teach my kids bad words, ” said Cara Cabral, a mother of two．

　　Many teens and young adults know it's not safe to use blogs on the Internet．They know they are putting information about themselves in a place they can be seen by anyone．But teens are unlikely to give up these new communication tools that have become a way of life for many of them．

　　Are you a blogger? What do you think of the blog?

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閱讀理解，閱讀下面短文，從各題所給的A、B、C、D四個(gè)選項(xiàng)中，選出最佳選項(xiàng)。

　　A study finds that not enough morning light causes teenagers not to get enough sleep at night．“As teenagers spend more time indoors, they miss necessary morning light．Day light is needed to keep the balance of the body's 24-hour biological system(生物系統(tǒng)), which regulates(調(diào)節(jié))body temperature and sleep styles, ” reports Dr．Mariana Figueiro．“These teenagers who receive little morning light are going to bed later, getting less sleep and doing badly in tests．They are more likely to fail in their exams．”

　　In the study, Dr．Figueiro asked 11 students in Grade 8 to wear special glasses to prevent blue morning light from reaching their eyes．At the end of the 5-day study she found that they fell asleep 30 minutes later than usual．

　　Throughout her research, Dr．Figueiro has been very worried about teenagers going to bed too late．The problem is that today's schools require teenagers to be in school very early in the morning．These students are likely to miss the morning light because they often go to school before the sun is up or as it's just rising．

　　Furthermore(此外), the schools are not likely to provide enough electric light to keep the balance of this biological system．Our biological system is much more sensitive(敏感的)to blue light．Therefore, having lots of light in the classroom does not make sure that there is enough light to keep our biological system balanced．

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閱讀理解，閱讀下列短文，然后從A、B、C、D四個(gè)選項(xiàng)中選出能回答所提問(wèn)題或完成所給句子的最佳選項(xiàng)。

　　Everyone knows that exercise is important．We need to exercise．Doctors say it is good for us．It keeps our bodies strong．

　　When the daytime comes, we must get up．This is the time for exercise．Exercise means doing things with the body．There are many ways to exercise．You can walk, run, swim, skate, or play ball games．Make sure you exercise in the following ways：you have to like what you’re doing．Exercise enough-but not too much．It is good to exercise twice each week．Thirty minutes each time is enough．Try all kinds of things until you find one, two or three sports that feel right for you．

　　Exercise can be fun．Friends can exercise together at fitness center, or they can play sports together．How do you exercise?

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