根据短文内容判断下列句子的正误,正确的用“A”,错误的用“B”。 Today

题型:阅读理解

问题:

根据短文内容判断下列句子的正误,正确的用“A”,错误的用“B”。

     Today there are policemen everywhere, but in 1700 London had no policemen at all. Only a few old

men protected (保护) the city streets at night.

     About 300 years ago, London started to get bigger. The city was very dirty and many people were

poor.  There were many thieves (小偷) in the streets. People had to stay in their homes as much as

possible.

     In 1750, Henry Fielding started to pay a group of people to stop thieves. They were like policemen.

Fifty years later, there was a police force with 3,000 0fficers in London.  Most of them worked on foot,

but a few rode horses.

     Today, some policemen still ride horses. And the pay for them is even better than it is for other

policemen.

( )1. People could find a policeman in London in 1700.

(     )2. About 300 years ago, London became a bigger city.       .

(     )3. People had to stay at home as much as possible because they were poor.

(     )4. In 1800, there were 3,000 policemen in London.

(     )5. The passage tells us the history of the London police.

考点:历史文化类阅读
题型:阅读理解

质量为2kg的物体置于水平粗糙地面上,用20N的水平拉力使它从静止开始运动,第4s末物体的速度达到24m/s,此时撤去拉力,求:(g取10m/s2

(1)物体在运动过程中受到的阻力?

(2)撤去拉力后物体还能继续滑行多远?

题型:阅读理解

下列哪项符合特发性血小板减少性紫癜()

A.皮肤粘膜瘀点,出血时间延长,束臂试验正常

B.皮肤粘膜瘀点,出血时间延长,凝血时间正常

C.皮肤粘膜瘀点,出血时间正常,凝血时间延长

D.深部血肿,束臂试验阳性,凝血时间延长

E.反复鼻出血,出血时间正常,束臂试验阳性

题型:阅读理解

常研末冲服、入丸散剂,可作为丸剂的外衣,有防腐作用,内服不易过量,也不可持续服用的药是

A.磁石

B.朱砂

C.龙骨

D.牡蛎

E.酸枣仁

题型:阅读理解

热变色程度由浅到深分为淡黄色、()、()、()、蓝黑色。

题型:阅读理解

下列关于石灰的说法错误的是______。

A.生石灰通常可以作为食品干燥剂

B.澄清石灰水放置在空气中易变浑浊

C.汉白玉与石灰石的主要成分相同

D.“烈火焚烧若等闲”指熟石灰的高温煅烧

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