Last Friday there was a basketball match

题型:选择题

问题:

Last Friday there was a basketball match between the _______ and the _________.

A.man teachers; boy students

B.men teachers, boy students

C.men teacher ,boys students

D.men teachers, boys students

考点:助动词介词短语固定搭配疑问词组
题型:选择题
阅读理解。
        Great changes have been made in family life because of science and industry. In the past, when more
Americans lived on farms, the typical family had many children. In a farm family, parents and their children
often lived with grandparents. Often too, uncles and aunts lived nearby. But when industry became more
important than agriculture in American life, families became smaller because industry requires workers who are
ready and able to move off the land and to move again whenever necessary. And large families cannot be moved
from place to place as smaller families can. So, at present people tend to have smaller families.
        In the future, because of industrialization, a typical family will be required to move even more often than
now, so families will be even smaller. The typical family may remain childless and consist only of a man and a
woman. A small number of families may take raising children as their chief work. At the same time they may
also raise other people's children, leaving those families free to move from job to job.
1. Which of the following topics is discussed in the passage?
[ ]
A. Development of science and industry in America.
B. Influence of science and industry on American families.
C. Harmful effect of industrialization.
D. Social problems resulting from the highly developed science and industry in America.
2. What kinds of families are described in the passage ?
[ ]
A. Families of the past.
B. Families of the present and of the future.
C. Families of the past and of the future.
D. Families of the past, the present and the future.
3. According to the writer, what is one of the reasons that families are getting smaller in America?
[ ]
A. Children tend to leave their parents and grandparents when they grow up.
B. People stop caring for having children.
C. The need for workers who are able to move at any time has been increasing.
D. Both old and young people prefer to live by themselves.
4. Who will take the chief responsibility of raising children in the future?
[ ]
A. Most families.
B. All families.
C. Social workers.
D. A small number of families.
5. What can you infer (推断) from the passage?
[ ]
A. Science and industry have caused thousands of families to split (破裂).
B. Children do not live with their parents or grandparents.
C. Large families can hardly survive (幸存) in modern society.
D. Americans are very choosy with their jobs.
题型:选择题

在观察蚯蚓的实验中,若使其在纸上或玻璃上运动的时间过长,它的活动能力就会下降,甚至死亡。其原因是             [ ]

A.体表逐渐干燥,无法呼吸

B.没有食物,所以没有能量

C.离开了穴居生活        

D.体内水分散失,血液循环停止

题型:选择题

在A320飞机上,下面哪个部件是燃油系统控制IDG滑油冷却?()

A.FRV(燃油回油活门)

B.燃油关断活门

C.燃油顺序活门

D.主油箱内的所有燃油量传感器

题型:选择题
不定项选择
关于涡流,下列说法正确的是(   )
A.涡流是直流电源通过导体放电形成的电流

B.涡流是电容器通过导体放电形成的电流

C.涡流是磁通量发生变化而在导体中形成的电流

D.金属探测器和电磁炉都是利用涡流工作的

题型:选择题

蒸发脱水塔底温度提高时,对降低塔底油的()有利。

A、硫化物

B、油中水

C、初馏点

D、干点

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