绘图说明扩大基础图。

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问题:

绘图说明扩大基础图。

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题型:问答题

知觉

题型:问答题

阅读理解。

     Chess must be one of the oldest games in the world. An Arab traveler in the year 900 wrote that it

was played "long long ago". Chess was probably invented in India, and it has been played everywhere

from Japan to Europc since 1400. The name "chess" is interesting. When one player is attacking the

other's king, he says, in English, "check". When the king has been caught and cannot move anywhere,

he says "check mate". These words come from Persian (波斯语). It means "the king is dead". That is

when the game is over, and one player has won.

     Such an old game changes very slowly. The rules have not always been the same as they are now.

For example,at one time the queen could only movc one square (方块) at a time. Now she is the

strongest piece on the board. It would be interesting to know why this has happened! Chess takes time

and thought, but it is a game for all kinds of people. You don't have to be a winner in order to enjoy it.

Two people sitting at the same table do not always play it. The first time the Amcricans beat the Russians

was in a match played by radio. Some people are able to play with many people at the same time. One

man played 400 games! It is said that some people play chess by post. This must make chess the

slowest game in the world.

1. Chess _____.[ ]

A. is an old Indian game for travel

B. is the oldest game in the world

C. was played in India long before 900

D. was played in Japan and Europe before 1400

2. "At one time the queen could only move one square at a time.

     Now she is the strongest piece on the board."

     This example is used to show _____.[ ]

A. chess is an interesting game

B. chess changes very slowly

C. how this rule has happened

D. there have been some changes of rules in chess

3. "You don't have to be a winner in order to enjoy it." means _____. [ ]

A. Only a winner can enjoy chess

B. You can enjoy chess only when you lose a game

C. You can enjoy chess even if you are not a winner

D. You can enjoy chess when you play with a winner

4. The writer tries to tell us _____.[ ]

A. some interesting facts about chess 

B. how the rules of chess have changed

C. how to play chess

D. how people enjoy chess

5. For the first time the Americans _____ the match. [ ]

A. beat

B. got

C. had

D. won

题型:问答题

不是活塞式压缩机轴承或十字头滑道发热的原因是()。

A.供油量不足

B.轴承间隙过小

C.轴承偏斜

D.润滑油正常

题型:问答题

血清中出现M蛋白见于()

A.系统性红斑狼疮

B.类风湿关节炎

C.多发性骨髓瘤

D.慢性粒细胞白血病

E.前列腺癌

题型:问答题

以下所列各项属经营者应负有义务的是()。

A.接受消费者监督的义务

B.保证商品和服务安全的义务

C.提供真实住处的义务

D.保证商品质量和服务质量的义务

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