阅读理解。 Most people in Britain live in sm

题型:阅读理解

问题:

阅读理解。

      Most people in Britain live in small family groups. More than a quarter of homes in Britain have only got one

person in them. Some of these are old people but some are people of twenty or thirty who choose to live alone.

35% of homes have two people in them, and another 17% have three people. 15% have four people in them, and

the other homes have five or more. 

     The families in Britain are small. It is unusual for parents to have more than two children. When children are

about eighteen or nineteen, they leave their parents' homes, and they often go to different cities. Sometimes they

only visit their parents two or three times a year.

1. How many homes in Britain have 3 people living in them? [ ]

A. 8% of homes.

B. 15% of homes.

C. 17% of homes

D. 35% of homes.

2. At what age do children in Britain usually leave their parents' homes? [ ]

A. About 18 or 19.

B. About 20 or 21.

C. About 25 or 26.

D. About 30 or 31.

3. What is the passage? [ ]

A. An invention.

B. A report.

C. A. play

D. A joke.

4. What does the passage mainly tell us? [ ]

A. Young people in Britain.

B. Old people in Britain.

C. Families in Britain.

D. The population in Britain.

5. According to the passage, which of following is right? [ ]

A. Only once a year.

B. Only twice or three times a month.

C. Often.

D. Twice or three times a year.

考点:日常生活类阅读
题型:阅读理解

2x+63是方程.______.(判断对错)

题型:阅读理解

如图,倾角为α的斜面体放在粗糙的水平面上,质量为m的物体A与一劲度系数为 k的轻弹簧相连.现用拉力F沿斜面向上拉弹簧,使物体A在光滑斜面上匀速上滑,上滑的高度为h,斜面体始终处于静止状态.在这一过程中(  )

A.弹簧的伸长量为

F-mgsinα
k

B.拉力F做的功为Fhsinα

C.物体A的机械能增加mgh

D.斜面体受地面的静摩擦力大小等于Fcosα

题型:阅读理解

进口许可证的办理程序

题型:阅读理解

斜道的断面的收缩角一般应小于()。

A.5°

B.7°

C.10°

题型:阅读理解

升级后出现和某向不通,请简述排查及出路思路。

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