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    ( )6. How high is the mountain ? A. Less than 1,800 metres B. More than 1,800 metres C. More than 2,800 metres ( ) 7..When did they arrive at the bottom of Jinmao Tower ? A. At night B. In the afternoon C. In the morning 8.( ).What’s the man’s favourite sport ? A. Football B. Tennis C. Golf 9.( ). How much do the pink sport shoes cost ? A. 299 yuan B. 499 yuan C. 699 yuan ( ) 10.. What does Helen want to be ? A. A policeman B. A soldier C. An athlete. 【查看更多】

     

    题目列表(包括答案和解析)

      Height is just one of the thousands of features your genes decide. In fact, because you have two parents, your genes provide you a height that usually lands somewhere between the height of each parent. If both your parents are tall, then most probably you will be tall, too, but if you have questions about how tall you're going to be, ask your doctor if he or she can help you find it out.
    But genes don't decide everything. For example, eating an unhealthy diet can keep you from growing to your full potential(潜力). Getting plenty of sleep and enough exercise will help you grow to the expected height.
    No doubt you're wondering how fast you should grow. It depends. There's no perfect or right answer. Generally speaking, kids grow about 2 inches (6 centimeters) a year between age 3 and the time when they start puberty (when your body starts changing and becoming more grown up).
    Your doctor will know how your growth has been going over the years. Two centimeters here and 2 inches there are not nearly as important as the height you're at now, how you've been growing up to this point, and what other changes your body may be going through.
    Don't be scared if you seem to have grown a lot in a very short time. Everyone has a growth spurt（高峰）during puberty. The age for starting puberty is about 10 for girls and about 11 for boys. But it can be earlier or later ----between 7 and 13 for girls and 9 and 15 for boys.
    You'll usually begin to notice that you're growing faster about a year or so after your body starts to show the first changes of puberty. 
    【小题1】. The Chinese for the word “puberty” is 　　　　　　　　　.
    A．童年时期B．婴幼儿时期C．习惯养成期D．生长发育期
    【小题2】 If you want to know how fast and how tall you should grow, _____.
    A．you should have enough exerciseB．you can ask doctors for help
    C．you should save the environmentD．You can record your growth during puberty
    【小题3】 This passage is mainly about 　　　　　　　　　.
    A．how the genes work in your bodyB．when is the time you grow fast
    C．why you look like your parentsD．how you grow to a certain height
    【小题4】 After reading this passage, we can explain 　　　　　　　　　.
    A．how good it is to be a doctorB．how much sleep time we need
    C．why genes can’t decide everythingD．what healthy diet is
    【小题5】 Which is NOT mentioned in the passage?
    A．Your height most probably depends on how high your parents are.
    B．Girls’ age for starting puberty is usually earlier than that for boys’.
    C．The time showing the first changes of puberty is never noticed.
    D．You may be scared sometimes when you grow too fast.

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    What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren’t they?
    Is the sky blue? The sky has no color. We know that there is air around the world. When planes fly, they need air to lift their wings(翼) . Planes cannot fly very high because when they go high, the air gets thinner. If we go up about 1,200 kilometers from the earth, we find there is no air.
    Perhaps(也许) we can answer some of our questions now. The sky is space(空间). In this space there is only the sun, the moon and all the stars.
    6.What is the sky?
    A. It’s the clouds       B. It’s space.     C It’s air      D It’s nothing
    7. The sky _____
    A. is blue        B. is white        C. is black     D. has no color
    8. Planes cannot fly very high because _________.
    A. the air becomes thinner                         B. the flying machine is not good       
    C. people will be afraid if the planes fly too high      D. it is not necessary for planes to fly so high
    9 If we go up about 1,200 kilometers from the earth, we find ___________.
    A. there is more air   B. there is less air   C .there is nothing but air   D there is no air
    10. In space there is _________.
    A. nothing       B. air everywhere       C. everything       D. only the sun , the moon and all the stars

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    What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren’t they?
    Is the sky blue? The sky has no color. We know that there is air around the world. When planes fly, they need air to lift their wings(翼) . Planes cannot fly very high because when they go high, the air gets thinner. If we go up about 1,200 kilometers from the earth, we find there is no air.
    Perhaps(也许) we can answer some of our questions now. The sky is space(空间). In this space there is only the sun, the moon and all the stars.
    6.What is the sky?
    A. It’s the clouds       B. It’s space.     C It’s air      D It’s nothing
    7. The sky _____
    A. is blue        B. is white        C. is black     D. has no color
    8. Planes cannot fly very high because _________.
    A. the air becomes thinner                         B. the flying machine is not good       
    C. people will be afraid if the planes fly too high      D. it is not necessary for planes to fly so high
    9 If we go up about 1,200 kilometers from the earth, we find ___________.
    A. there is more air   B. there is less air   C .there is nothing but air   D there is no air
    10. In space there is _________.
    A. nothing       B. air everywhere       C. everything       D. only the sun , the moon and all the stars

    查看答案和解析>>

    What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren’t they?

        Is the sky blue? The sky has no color. We know that there is air around the world. When planes fly, they need air to lift their wings(翼) . Planes cannot fly very high because when they go high, the air gets thinner. If we go up about 1,200 kilometers from the earth, we find there is no air.

        Perhaps(也许) we can answer some of our questions now. The sky is space(空间). In this space there is only the sun, the moon and all the stars.

    6.What is the sky?

    A. It’s the clouds       B. It’s space.     C It’s air      D It’s nothing

    7. The sky _____

    A. is blue        B. is white        C. is black     D. has no color

    8. Planes cannot fly very high because _________.

    A. the air becomes thinner                         B. the flying machine is not good       

    C. people will be afraid if the planes fly too high      D. it is not necessary for planes to fly so high

    9 If we go up about 1,200 kilometers from the earth, we find ___________.

    A. there is more air   B. there is less air   C .there is nothing but air   D there is no air

    10. In space there is _________.

    A. nothing       B. air everywhere       C. everything       D. only the sun , the moon and all the stars

     

    查看答案和解析>>

    What is the sky(天空)? Where is it? How high is it? What lies above it? These questions are hard to answer, aren’t they?

        Is the sky blue? The sky has no color. We know that there is air around the world. When planes fly, they need air to lift their wings(翼) . Planes cannot fly very high because when they go high, the air gets thinner. If we go up about 1,200 kilometers from the earth, we find there is no air.

        Perhaps(也许) we can answer some of our questions now. The sky is space(空间). In this space there is only the sun, the moon and all the stars.

    6.What is the sky?

    A. It’s the clouds       B. It’s space.     C It’s air      D It’s nothing

    7. The sky _____

    A. is blue        B. is white        C. is black     D. has no color

    8. Planes cannot fly very high because _________.

    A. the air becomes thinner                         B. the flying machine is not good       

    C. people will be afraid if the planes fly too high      D. it is not necessary for planes to fly so high

    9 If we go up about 1,200 kilometers from the earth, we find ___________.

    A. there is more air   B. there is less air   C .there is nothing but air   D there is no air

    10. In space there is _________.

    A. nothing       B. air everywhere       C. everything       D. only the sun , the moon and all the stars

     

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