下列属于危险易燃固体的是什么?A.火柴 B.火药 C.电石 D.炸药

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问题:

下列属于危险易燃固体的是什么?

A.火柴

B.火药

C.电石

D.炸药

考点:机动车驾驶人考试安全文明驾驶常识考试(科目三科目四)小车
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Students in Beijing _____away many books to the Hope Schools since 2009.

A.have given

B.give

C.will give

D.gave

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原发性肝癌患者不适宜手术的指征是()

A.明显腹水、黄疸

B.无严重肝硬化

C.肝功能代偿好

D.肿瘤未超过半肝

E.肿瘤未侵犯第一肝门

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(1)有一通电螺线管,电流方向如图a所示,请分别画出经过A点和B点的两条磁感线.

(2)画出图b中物体重力的示意图,并画出使轻质杠杆保持平衡的最小动力F的示意图及动力臂.

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阅读理解。

     Tokyo is one of those places that you can love and hate at the same time.

     In Tokyo there are always too many people in the places where I want to be. Of course there are too many cars. The Japanese drive very fast, but in Tokyo they often spend a long time in traffic jams(拥挤).Tokyo is not different from London, Paris and New York in that. It is different when one wants to walk.

     At certain times of the day there are a lot of people on foot in London Oxford Street. But the streets near the Ginze in Tokyo always have a lot of people on foot, and sometimes it is really difficult to walk. People are very polite; there are just too many of them.

     The worst time to be in the street is at 11:30 at night. That is when the night-clubs are closing and everybody wants to go home. There are 35 000 night-clubs in Tokyo, and you do not often see one that is empty.

     During the day, most people travel to and from work by train. Tokyo people buy six million train tickets every day. At most stations, trains arrive every two or three minutes, but at certain hours there do not seem to be enough trains. Although they are usually crowded, Japanese trains are very good. They always leave and arrive on time. On a London train you would see everybody reading a newspaper. In Tokyo trains everybody in a seat seems to be asleep, whether his journey is long or short.

     In Tokyo, I stood outside the station for five minutes. Three fire-engines(消防车) race past on the way to one of the many fires that Tokyo has every day .Tokyo has so many surprises that none of them can really surprise me now.

1 Tokyo is different from London in that_____.

A. it has a larger population

B. night clubs are sometimes empty

C. there are more traffic jams

D. it is more difficult to go somewhere on foot

2. Japanese trains _______.

A. often leave and arrive on timeB. are often crowded

C. are the main means people use to travel to and from work

D. all of the above

3. Where can you find everybody reading a newspaper?

A. At most London train stations

B. On a Tokyo train

C. On a London train

D. At most Tokyo train stations

4. Fires break out _______ in Tokyo according to the writer.

A. very seldom

B. quite frequently

C. not very often

D. only several times a day

5. Which of the following is NOT true about Tokyo?

A. There are more trains than cars

B. Fire-engines are very busy in the city

C. The streets become more crowded at 11:30 at night    

D. Tokyo people are friendly

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保冷层的外表面温度等于露点温度加()℃。

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