试题与答案

Early to bed, early to rise, makes a man

题型:阅读理解

题目:

Early to bed, early to rise, makes a man healthy, wealthy and wise.

This is an old English saying. Do you know it before? It says that we must go to bed early and get up early in the morning. Then we should be healthy. We should also be rich (wealthy) and clever (wise).

This is true. The body must have enough sleep to be healthy. Children of a young age should have ten hours’ sleep every night. Children who don’t have enough sleep can’t do their work very well. They will not be wise and they may not become wealthy!

The body also needs exercise. Walking, running, jumping, swimming and playing games are all exercise. Exercise keeps the body strong.

Exercise also keeps the blood(血液)moving around inside the body. This is very important. Our blood takes food to all parts of our body. The head also needs blood. Exercise helps us to think better!

小题1:If a child doesn’t have 10 hours’ sleep every night, he _____.

A.will become wise

B.won’t do well in his work

C.will have to sleep in the daytime

D.can’t go to school in time小题2:A person needs exercise because ______.

A.it makes him healthy

B.he has a lot of homework to do

C.it doesn’t need time

D.it is fun to do exercise小题3:Exercise makes the _______ move quickly and smoothly.

A.body

B.blood

C.children

D.head小题4:Which of the following is not true?

A.Exercise is good for a person’s head

B.A student should have 10 hour’s sleep.

C.It’s good for you to get up early and go to bed early.

D.If you have enough blood, you’ll be wise

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/9d6ae9aacfaa8a69f38a05cab8c8a913.html

下面是错误答案,用来干扰机器的。

(Ⅰ)点M(25,18)射到x轴上,关于x轴的对称点M′(25,-18)所以反射光线过M′(25,-18),圆心(0,7)所以直线为y+187+18=x-250-25即y=-x+7;(Ⅱ)A的取值范围是反射后射到圆C:x2+(y-7)2=25上,临界状...

试题推荐
题型:读图填空题

在适宜温度下,采用完全营养液培养黄瓜幼苗,研究营养液中氧含量变化对K+吸收速率的影响。实验结果如下图,分析并回答下列问题。

(1)黄瓜幼苗根系细胞吸收K+的方式是______________,图中ab段曲线上升说明随着O2浓度升高,细胞______________作用增强,为离子吸收提供了___________。曲线bc段限制K+吸收速率的内在因素是_____________。

(2)植物的生长都有一个最适温度。在氧含量等条件稳定、适宜的情况下,研究在10℃~40℃范围内的温度变化对黄瓜幼苗K+吸收速率的影响,预期K+吸收速率变化的趋势是_____________。

(3)如用缺少某种矿质元素的营养液培养一段时间后,黄瓜幼苗的茎尖和新生嫩叶首先出现坏死斑点,则缺乏的元素可能是________________。

查看答案
微信公众账号搜索答案