试题与答案

In order to find the missing child,villa

题型:选择题

题目:

In order to find the missing child,villagers ________ all they can over the past five hours.(2012·安徽)

A.did

B.do

C.had done

D.have been doing

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错

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题型:问答题

在“验证力的平行四边形定则”的实验中

(1)采用的科学方法是______(填相应的字母).

A.理想实验法B.等效替代法     C.控制变量法   D.建立物理模型法

(2)下列是某同学在做该实验的一些看法,其中正确的是______(填相应的字母).

A.拉橡皮筋的绳线要细长,实验中弹簧秤、橡皮筋、细绳应贴近木板且与木板平面平行

B.拉橡皮筋结点到某一位置O时,拉力要适当大些,读数时视线要正对弹簧秤刻度

C.拉橡皮筋结点到某一位置O时,两个弹簧秤之间夹角应取90°以便于算出合力大小

D.实验中,橡皮筋应该与两个弹簧秤之间夹角的平分线在同一直线上

E.实验中,先将其中一个弹簧秤沿某一方向拉到最大量程,然后只需调节另一个弹簧秤拉力的大小和方向,把橡皮筋另一端拉到O点

(3)实验中的情况如图甲所示,其中A为固定橡皮筋的图钉,OB和OC为绳线.O为橡皮筋与绳线的结点,.图乙是在白纸上根据实验结果画出的图.图乙中的F与F′两力中,方向一定沿AO方向的是______(填F或F′)

(4)若两个弹簧秤的读数均为4N,且两弹簧秤拉力的方向相互垂直,则______(选填“能”或“不能”)用一个量程为5N的弹簧秤测量出它们的合力,理由是______.

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题型:阅读理解

第三部分 阅读理解(共20小题;每小题2分,满分40分)

阅读下列短文,从每篇短文后所给各题的四个选项(A、B、C、D)中,选出最佳选项。

Parsley(欧芹)is an ancient green and a respected addition to many foods. But other times, its job is just to make a mealtime plate look pretty. Poor parsley, valued for its looks, then is thrown away. Yet parsley is a good source of vitamins and other nutrients. The taste is a little strong for some people, but others chew on parsley to freshen their breath.

Curly parsley is the king that often ends up being used just for appearance. Flat-leaf parsley is easier to work with for cooking. This kind is often called Italian or French parsley. Do you know about a third kind of parsley? Hamburg parsley has flat leaves that can be used for the same purposes as other parsley. But Hamburg parsley has a large root which is used as a vegetable to add flavor to soups.

Parsley is used in foods such as tabouli, a traditional Lebanese salad, and is often served with lamb, fish and beef dishes. Parsley is a herb if you use just the greens. if the root is used, then parsley is considered a vegetable.

Some gardeners suggest that to get the best-tasting parsley, you should plant new seeds every year. You can get parsley to grow faster by pouring warm water over the seeds. Leave the seeds in the water overnight. Then you can grow them in containers indoors or plant them outside. Parsley grows best when temperatures are below twenty-one degrees Celsius. It likes to grow in sunny places. Tile seeds need rich soil. Plant the seeds about fifteen to twenty-five centimeters apart. Water them regularly during tile first month. After that, parsley does not need very much water. You can harvest parsley by cutting most of the plant or leave more of the plant in the ground for a second crop.

51.From the passage we can learn that __________.

A.people don’t like parsley’s strong taste at all

B.people don’t attach great importance to parsley’s value

C.parsley has been widely planted in the world

D.only ancient people used parsley as an addition

52.Which of the following cab be the best title for the passage?

A.The Planting of Parsley      B.To Parsley’s Regret

C.Parsley           D.The Use of Parsley

53.It seems _________ to the writer that parsley is valued for its looks.

A.regretful      B.unbelievable  C.confusing        D.doubtful

54.The last paragraph mainly deals with __________.

A.how to use parsley      B.whether people like parsley

C.how to plant parsley       D.how the author feels about parsley

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