问题 选择题
如图所示,某一弹簧秤外壳的质量为m,弹簧及与弹簧相连的挂钩质量忽略不计,将其放在水平面上.现用两水平拉力F1、F2分别作用在与弹簧相连的挂钩和与外壳相连的提环上,弹簧秤静止,则关于弹簧秤的示数,下列说法正确的是(  )

A.只有F1>F2时,示数才为F1

B.只有F1<F2时,示数才为F2

C.不论F1、F2关系如何,示数均为F1

D.不论F1、F2关系如何,示数均为F2

答案

答案:C

阅读理解

阅读理解。

     There was little rain in some place for two years and a lot  of people died  of  hunger.  So a man

reported a famine (饥荒) to  an official (官员) .  The official asked,   "How  much  wheat have you

harvested?"

     "Thirty percent of the normal yield(正常产量的30%)," the man replied.

     "How much cotton?"

     "Twenty percent." 

    "How much rice?"

     "Twenty percent."

     The official got mad, " You've  already had  seventy  percent of the harvest,  how dare (敢) you

trump up(谎报)famine then?"

     The man said, "I've  never seen  such  a  terrible famine in my life of a hundred and several scores

of years."

     "How could you have lived so long?" asked the official.

     "Look, I'm over seventy years old.  My  eldest son is  over  forty and my second son is over thirty.

The total(总数)is a hundred and several scores of years." All the people hearing this had a good laugh

over that.

1.A great ______ happened in the place.

A. flood

B. disease

C. drought

D. war

2.The man said ______.

A. people had a bad harvest

B. some of the crops were bad

C. people lost their farms

D. people had little food

3.The word "mad" in the story means ______.

A. sad

B. angry

C. happy

D. excited

4.The official didn't think ______.

A. the people were hungry

B. the drought was serious enough

C. the people had to be helped

D. the famine was terrible enough

5.Hearing the clever answer, people laughed at ______.

A. the old man

B. the official

C. the hungry people

D. the policemen nearby the road

单项选择题