It’s necessary for the phubbers(低頭族)to the time they spend on their smart phones.

A. cut in B. cut off C. cut down D. cut up

C 【解析】句意:減少他們花在智能手機(jī)上的時(shí)間對低頭族來說是必須的。It’s+形容詞+for sb to do做某事對某人來說是怎樣的。A. cut in插嘴; B. cut off 切斷; C. cut down減少; D. cut up切碎;根據(jù)the time they spend on their smart phones.可知是減少花在智能手機(jī)上的時(shí)間;故選C
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科目:初中英語 來源:河南省信陽市2018屆九年級(jí)下學(xué)期第一次模擬考試英語試卷 題型:閱讀單選

Height is just one of the features 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 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 them out.

But genes don’t decide everything. For example, eating an unhealthy diet can keep you from growing to your full potential(潛力). Getting plenty of sleep and enough exercise will help you grow to the expected height.

It’s natural that you’re wondering how fast you should grow. There’s no perfect or right answer. Generally speaking, kids grow about 6 cm a year between age 3 and the time when they start puberty.

Your doctor will know how your growth has been going over the years. 2 cm here and 3 cm there make a little difference to the height you’re at now. How have you been growing up to this height? What other changes may your body be going through?

Don’t be amazed 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’11 usually begin to notice that you’re growing faster about a year after your body starts to show the first changes of puberty.

根據(jù)材料內(nèi)容選擇最佳答案。

1.If you want to know how tall you should grow, ________.

A. you should have enough exercise

B. you can ask doctors for help

C. you should take some special medicine

D. you can record your growth during puberty

2.The Chinese for the word “puberty” is ________.

A. 童年時(shí)期B. 嬰幼兒時(shí)期 C. 習(xí)慣養(yǎng)成期D. 生長發(fā)育期

3.This passage is mainly about ________.

A. how you look like your parents B. how you grow to a certain height

C. how the genes work in your body D. how your parents’ height influence you

4.After reading this passage, we can explain ________.

A. what healthy diet is B. how good it is to be a doctor

C. how much sleep time we need D. why genes can’t decide everything

5.Which is NOT mentioned in the passage?

A. Your height most probably depends on how tall your parents are.

B. Girls’ age for starting puberty is usually earlier than that for boys

C. You may be amazed sometimes when you grow too fast.

D. The features showing the first changes of puberty between boys and girls are different.

1.B 2.D 3.B 4.D 5.D 【解析】文章介紹了關(guān)于身高的一些問題和怎樣能長的更高的一些建議。 1.根據(jù)if you have questions about how tall you’re going to be, ask your doctor if he or she can help you find them out.可知想知道能長多高,可以...

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1.A. other B. others C. another D. the other

2.A. first B. second C. one D. two

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4.A. cause B. aim C. reason D. need

5.A. am B. was C. is D. are

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7.A. achieved B. lost C. missed D. eaten

8.A. way B. direction C. world D. quality

9.A. a different B. the same C. the different D. a same

10.A. a little B. little C. a few D. few

11.A. success B. successful C. succeed D. successfully

12.A. with B. in C. at D. by

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14.A. as well B. also C. either D. neither

15.A. doing B. do C. to do D. done

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