问题 选择题

酒精中毒(醉酒)的主要原因是过量的酒精麻痹并抑制人的

A.循环系统

B.中枢神经系统

C.呼吸系统

D.消化系统

答案

答案:B

题目分析:中枢神经系统是指脑和脊髓,脑有大脑、小脑、延脑、桥脑、脑干组成,大脑皮层有许多重要的神经功能区如语言中枢、视觉中枢、听觉知识、躯体感觉中枢、躯体运动中枢等,少量饮酒可以促进中枢神经兴奋,在神经系统的作用下心跳加快,出现面红耳赤现象,小脑维持躯体的平衡,使动作准确协调,过量饮酒使小脑中毒,出现走路不稳的现象,过量饮酒酒精使大脑皮层的语言中枢中毒,导致说话不清现象出现,过量饮酒酒精使大脑皮层的视觉中枢中枢中毒,出现幻觉现象,严重时酒精会使整个神经中枢中毒,导致思维混乱、失去知觉,昏睡,由此表明过量的酒精会麻痹人的中枢神经系统,故选B。

阅读理解

阅读理解。

     When you are next in Hawaii, be sure to stay at the Garden Hotel. Whether you come on business

or on holiday, you will find everything as comfortable and as convenient as you would expect in a

first-class international hotel.

     Every bedroom has its own private bathroom, telephone, wall-to-wall carpeting and colorful, modern

materials and furniture in the local style.

     In the Mitsui Restaurant, you can choose your meals from as wide a variety of dishes, both Eastern

and European, as you will find anywhere in the country. In the Beach Bar, you can drink with your family

and friends in air-conditioned comfort, to the music of internationally known musicians. Or you can take

your drink outside into the beautiful garden that gives the hotel its name, or to the tables that surround the

swimming pool. Throughout the hotel, you will find the service is both friendly and efficient.

     The Garden Hotel is right on the beach, only five minutes from Hawaii's modern shopping center.

Here you will find all that money can buy, at prices you can afford.

1. Every bedroom at the Garden Hotel have ________.

A. a colorful, local style telephone

B. a bathroom with a carpet from wall to wall

C. local style furniture 

D. comfortable and modern furniture

2. The Mitsui Restaurant serve ________.

A. both Eastern and Western varieties 

B. food from all over the world

C. American style food

D. local style food

3. "service is both friendly and efficient" means ________.

A. you can get what you want quickly and pleasantly

B. you can serve yourself, you family and your friends

C. internationally known musicians will serve you

D. you can meet your friends there in air-conditioned comfort

4. The Garden Hotel lies ________.

A. on the beach not far from Hawaii's excellent shops

B. on the beach where you will find all the money can buy

C. close to shops where everything is cheap and justly famous

D. just off the coast, five minutes from the shop.

5. You will ________ at the Garden Hotel.

A. sleep well 

B. eat well 

C. have fun 

D. all of the above

问答题