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    精英家教网 > 初中英语 > 题目详情
    Height is just one of the thousands of features (特征) that your genes (基因) 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 maybe 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 enough sleep and enough exercise will help you grow to the right height.
    No doubt you’re wondering how fast you should grow. There’s no perfect or right answer. Kids grow about 2 inches (5 centimetres) 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 centimetres 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 very quick growth 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, 9 and 15 for boys.
    You’ll usually begin to notice that you’re growing faster about a year after your body starts to show the first changes of puberty.
    小题1:The Chinese for the underlined word in the third paragraph “puberty” is           .
    A．童年时期B．婴幼儿时期C．习惯养成期D．青春期
    小题2:If you want to know how fast and how tall you should grow,          .
    A．you should have enough exercise
    B．you can ask doctors for help
    C．you should protect the environment
    D．you can record your growth during puberty
    小题3:This passage is mainly about            .
    A．how the genes work in your body
    B．when is the time you grow fast
    C．why you look like your parents
    D．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 doctor
    B．how much sleep we need
    C．why genes can’t decide everything
    D．what an unhealthy diet is
    小题5:Which is NOT mentioned (提及) in the passage?
    A．Your height most probably depends on (取决于) how tall 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.

    小题1:D
    小题2:B
    小题3:B
    小题4:C
    小题5:C

    小题1:根据单词的意思和文章内容文章内容语境，可知答案为D
    小题2:根据文章内容Your doctor will know how your growth has been going over the years.可知答案为B
    小题3:根据文章内容大意可知答案为B
    小题4:根据文章内容You’ll usually begin to notice that you’re growing faster about a year after your body starts to show the first changes of puberty.可知答案为C
    小题5:根据文章内容大意可知答案为C
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