a、b的和是180,a是45,b是a的______倍,a是b的______.

题型:解答题

问题:

a、b的和是180,a是45,b是a的______倍,a是b的______.

考点:用字母表示数
题型:解答题

CIR设备设置的机车号包括()。

A、机车型号和4位机车号

B、机车型号代码和5位机车号

C、机车型号和5位机车号

D、机车型号代码和4位机车号

题型:解答题

.

第三部分:阅读理解(共20小题,每小题2分;满分40分)

Sweetest Day is celebrated on the third Saturday in October as a day to make someone happy. It is an occasion which offers all of us an opportunity to remember not only the sick, the aged, and children who have lost their parents, but also friends, workmates, relatives and neighbors whose helpfulness and kindness we have enjoyed.

Over 60 years ago, when a Cleveland man noticed that some people, such as children who lost their parents and patients who lay in bed, too often felt forgotten and neglected, he developed in his mind the idea of showing them that they were remembered. He did this by giving them small gifts. With the help of his friends and neighbors, he gave those people small gifts on a Saturday in October. During the years that followed, other Clevelanders began to take part in the celebration, which came to be called “Sweetest Day”. Over time, the Sweetest Day idea of spreading cheer to the poor, the sick and children who had lost their parents was broadened to include everyone, and became an occasion for remembering others with a kind act or a small gift. Soon the idea spread to other cities all over the USA.

Sweetest Day is not based on any single group’s religious beliefs or on a family relationship. It is a reminder that a thoughtful word or deed enriches life and gives it meaning. Because for many people remembering takes the form of gift giving, Sweetest Day offers us the opportunity to show others that we care, in a positive (积极的) way.

56. What can we learn from the first paragraph?

A. Sweetest Day is a day to make others happy.

B. Sweetest Day is just an occasion to care about disabled people.

C. Sweetest Day is an occasion for lovers to express love.

D. Sweetest Day is celebrated on the third Sunday in October.

57. Which of the following has little relationship to Sweetest Day?

A. Visiting sick people of the hospital.

B. Visiting children who have lost their parents.

C. Giving friends small gifts.

D. Giving flowers to sweethearts.

58. What do most people usually do to show their care to others according to the passage?

A. They give money.                          B. They give gifts.

C. They send regards.                         D. They offer help.

59. The underlined word “neglected” in the second paragraph means “______”.

A. remembered                         B. hated

C. paid little or no attention to      D. disappointed         

题型:解答题

转K4型转向架采用的悬挂系统为摇枕弹簧和摆动机构的组合,()、横向都具有两级刚度特性。

A、直向

B、垂向

C、水平

D、纵向

题型:解答题

突触前抑制

A.绝缘性与双向性
B.时间延搁与总和
C.电双向传递信息
D.以γ-氨基丁酸为递质,通过轴-轴型突触发挥作用

题型:解答题

投标人须知是招标文件的重要组成部分,投标人须知应包括的内容有()。

A.招标文件的组成

B.投标文件的组成

C.招标投标时间安排

D.评标办法

E.投标报价的原则

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