Today, we are living a busy life. We always try to get things done ____1____ (quick). On weekdays, we are busy studying or working. One of the ____2____ (problem) is that we don’t have enough exercise. We all know August 8th is National Fitness Day. It calls on all of us to exercise for one hour ____3____ day.

Scientists have found that people who often exercise are ____4____ (healthy) than those who don’t. According to a survey, students can learn better and feel less tired when they have more time ____5____ (do) sports at school. Many young women enjoy doing yoga or dancing to relax and stay thin. ____6____ some housewives’ opinion, doing housework is a good way to burn calories (卡路里). It can keep ____7____ (they) moving while getting their houses in order. To be strong and full of energy, some men like running, riding bicycles or playing ball games.

You will be healthy both in body ____8____ mind by doing exercise. Just as the saying ____9____ (go), life lies in exercise. In a word, exercise is ____10____ (help), important and necessary. This weekend, don’t make any plans, just get up early and start exercising.

1.1.

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解析：选quickly。副词修饰动词短语 get things done，quick 的副词形式 quickly（快速地）。

2.2.

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B

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解析：选problems。one of + 可数名词复数，表示 “…… 之一”，所以 problem 变复数 problems。

3.3.

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D

解析：选a。one hour a day 固定搭配：一天一小时。

4.4.

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D

解析：选healthier。后面有 than（比），要用形容词比较级，healthy 变 healthier（更健康的）。

5.5.

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D

解析：选to do。 have time to do sth. 固定结构：有时间去做某事。

6.6.

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解析：选In。in one’s opinion 固定短语：在某人看来，句首大写。

7.7.

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B

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D

解析：选them。keep 是动词，后面用人称代词宾格，they 宾格 them。

8.8.

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D

解析：选and。both...and... 固定搭配：…… 和…… 两者都。body and mind 身心。

9.9.

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解析：选goes。主语 the saying 是单数，一般现在时，谓语动词用 goes。as the saying goes 谚语云。

10.10.

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解析：选helpful。跟 important, necessary 并列，需要形容词。help 的形容词 helpful（有益的）。