题目内容

假定单根主梁处的支点永久作用剪力VGk=184kN，汽车荷载支点剪力VQ1k=150.4kN，人群荷载VQ2k= 35.2kN。试按承载能力的极限状态讨论其支点区的斜截面抗剪强度的计算并提出下列______ 项结论？

A. 必须修改截面尺寸
B. 无须修改截面尺寸，但须按构造要求配置箍筋，不需验算斜截面强度
C. 无须修改截面尺寸，但必须验算斜截面强度
D. 无须修改截面尺寸，也不必按构造要求设置箍筋

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在数据库加锁技术中，一个事务如果对某一数据项加了排他(exclusive)锁，它将保持此锁直到该事务结束。这一重要措施是保证事务的

A. 原子性(atomicity)
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D. 隔离性(isolaty)

Task 2
Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45.
Production Manager—Las Vegas
Derse Exhibits is a nationally recognized design of Trade show exhibits. It is searching for a Production Manager for its Las Vegas department.
The Production Manager reports to the General Manager and has the challenge
Derse Exhibits is a company that ______.

A. has its head office in Las Vegas
B. enjoys a good fame in the country
C. has designed a trade show in Las Vegas
D. has found a production manager

A．In the dancing room.B．Opposite the fireplace.C．Opposite the door.D．Beside the chest

A. In the dancing room.
B. Opposite the fireplace.
C. Opposite the door.
D. Beside the chest of drawers.

第二节完型填空
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。
"Sesame Street" has been called "the longest street" in the world. That is 【B1】 the television program by that name 【B2】 now be seen in so many parts of the 【B3】 . That program became one of 【B4】 exports soon after it went on the 【B5】 in New York in 1969.
In the United States more than six million children watch the program 【B6】 . The viewers include more than half the nation’s pre-school children, 【B7】 every kind of economic racial (种族的) and geographical 【B8】 .
"Sesame Street" uses songs, stories, jokes and pictures to give children a basic 【B9】 of numbers, works and human relationships. Although some educators object to certain elements in the program, parents 【B10】 it highly. Many teachers also consider it a great help, though some teachers 【B11】 that problems arise when first graders who have heard from "Sesame Street" are in the same class with children who have not watched the program.
Why has "Sesame Street" been so much more 【B12】 than other children’s shows？ Many reasons have been suggested. People mention the 【B13】 theories of its creators (创造者), the support by both government and private business, and the 【B14】 use of a variety of TV tricks. 【B15】 an equally important reason is that mothers watch "Sesame Street" 【B16】 their children. This is partly because 【B17】 adult stars often appear on "Sesame Street". But the 【B18】 reason for the program may be that it 【B19】 every child watching it feel able to learn. The child finds himself 【B20】 , and he wants to learn more.
【B1】

A. why
B. how
C. because
D. as if