In order to live a longer life, what should people do（）
A. Do as much exercises as we can.
B. Grow flowers.
C. Drink a cup of coffee everyday.
D. Eat a balanced diet.
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What can time be best summarized as by the the famous scientific law（）
A. Disorder decreases with time.
B. Disorder increases with time.
C. Order increase with time.
D. Order decrease with time.
人员基本信息一般包括身份证号、姓名、性别、年龄等，其中可以作主关键字的是______。
According to the passage, how can reading the newspaper and visiting the public library benefit us（）
A. Staying mentally healthy.
B. Taking part in more social activities.
C. Gaining more knowledge about society.
D. Having more contacts with the outside world.
How many Olympic employees and volunteers were there in 23rd Olympics（）
A. More than 43,000.
B. 12,000.
C. 103,000.
D. 143,000.
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