2.Teens are gaining(增加)weight.Today most teenagers are at least one size larger than teens were 20 years ago.Even clothing sizes have changed.Did you know that a small today used to be a medium,20 years ago?
   A recent research shows 97% of teens need more exercise.It's bad news because too little exercise means you are missing a lot of good things in life.Exercise helps in two ways.
   First,exercise helps your body.Physical activity can make your body strong.It can also keep you at a healthy weight.Doctors say that people who stay at a healthy weight have fewer health problems.Second,exercise can help your mind.People who get plenty of physical activity might worry less and sleep better at night.You may even learn better in school.Students who are healthy can listen and understand better in class.
   You can change your life and be more active at any point.It's never too late.An article called"How to Limit Screen Time and Get Moving"gives these ideas:
Step away from the screen.Doctors call watching TV or playing video games screen time.You should have no more than two hours of screen time a day.You will enjoy life more if you live it instead of watching it!
  Start slowly.An hour a day can seem like a long time.Start with 10 minutes of new activities every day.Add more as you get stronger.Think about walking.Take the stairs instead of the lift.You will feel healthier.
   Make fitness fun.Find a sport you like.It doesn't need to be the traditional sports of basketball,soccer,or baseball.Those are all great sports and if you like them,play them.However,you can also try hiking,skateboarding,or even rope jumping.If you enjoy the sport,you will do it.
   Choose food carefully.Help your family shop for healthy food.Read the labels(標簽),look for healthy foods.Eat lots of fiuits and vegetables.Stop buying soft drinks and junk foods.You will feel better if you eat right.
   Exercise with others.Find a friend or family member to exercise or play with you.You will have more fun and it helps keep you responsible for going.

42.What is the main idea of Paragraph 1?A
A.Teens are gaining weight.    
B.Teens,one size larger.
C.Teens'clothing sizes changed.    
D.A small used to be a medium.
43.Which of the following is a FACT from the passage?C
A.You should have no more than two hours of screen time a day.
B.You will have more fun and it helps keep you responsible for going.
C.A recent research shows 97% of teens need more exercise.
D.However,you can also try hiking,skateboarding,or even rope jumping.
44.Where might you find this passage?B
A.In a story.   
B.In a magazine.   
C.In a play.    
D.In a speech.
45.Which of the following shows the structure(結(jié)構)of the first 5 paragraphs?D

分析 試題分析:本文敘述了現(xiàn)在十幾歲的年輕人的體重在增加,他們需要鍛煉,文章給出了一些關于如何鍛煉的建議.第一段敘述了現(xiàn)在的十幾歲的年輕人的體重在增加.第二段敘述了調(diào)查研究表明90%十幾歲的年輕人都需要鍛煉,鍛煉能有兩個方面的好處.第三和第四段敘述的是鍛煉的好處.第五段敘述的既然鍛煉有好處,所以年輕人應該改變自己的生活.

解答 42.A.段落大意題.根據(jù)Teens are gaining(增加)weight.可知,第一段主要用列出數(shù)字來說明十幾歲的年輕人的體重在增加.故選A.
43.C.細節(jié)理解題.根據(jù)A recent research shows 97%of teens need more exercise.可知,研究表明97%的人需要更多的鍛煉.故選C.
44.B.推理判斷題.因為短文敘述的是現(xiàn)在十幾歲的年輕人的體重在增加,他們需要鍛煉,文章給出了一些關于鍛煉的建議.所以這樣的文章應該在一本雜志上.故選B.
45.D.文章結(jié)構題.根據(jù)第一段敘述了現(xiàn)在的十幾歲的年輕人的體重在增加.第二段敘述了調(diào)查研究表明90%十幾歲的年輕人都需要鍛煉,鍛煉能有兩個方面的好處.第三和第四段敘述的是鍛煉的好處.第五段敘述的既然鍛煉有好處,所以年輕人應該改變自己的生活,這是對上文的總結(jié).故選D.

點評 本文是一篇科普知識類閱讀.敘述了現(xiàn)在十幾歲的年輕人的體重在增加,他們需要鍛煉,文章給出了一些關于如何鍛煉的建議.主要考查考生閱讀所給材料,理解其中詞語、句子或片段含義的能力.有時涉及對全文意思和篇章結(jié)構的理解,對一些問題作出推理和判斷.

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