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【单选题】
听力原文： In America today, books with suggestions on how to do things are very popular. There are about four to five thousand books with titles that begin with the words 'How To'. One book may tell you how to earn more money, another may tell you how to save or spend it, and another may explain how to give your money away. Some 'How To' books tell you how to find a job and how to succeed at it. If you fail, however, you can get a book called How to Turn Failure into Success. If you would like to become very rich, you can buy the book How to Make a Million. If you never make any money at all, you may need a book called How to Live on Nothing. One of the most popular types of books is one that helps people with their private problems. If you are unhappy with your life, you can read How o Love Every Minute of Your Life. If you are tired of books on happiness, you may prefer a book called How to Get Yourself in Trouble. There is even a book about how to take your own life. Why are 'How To' books in great demand in the United States?A.
Because the rich do not always satisfy.
B.
Because many people read books only for pleasure.
C.
Because these books help Americans out of trouble.
D.
Because the books meet the needs of different readers.
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【判断题】立姿站岗时的微笑一般只是嘴角微微上扬，给人传递认真踏实、有责任心的感觉；与旅客进行交流时的微笑幅度稍大，体现出热情待客、尊重旅客的感觉；当我们服务重点旅客时的微笑就要温柔亲切，传递出可靠、温暖的感觉。
A.
正确
B.
错误
【判断题】立姿站岗时的微笑一般只是嘴角微微上扬,给人传递认真踏实、有责任心的感觉;与旅客进行交流时的微笑幅度稍大,体现出热情待客、尊重旅客的感觉;当我们服务重点旅客时的微笑就要温柔亲切,传递出可靠、温暖的感觉。( )
A.
正确
B.
错误
【判断题】立姿站岗时的微笑一般只是嘴角微微上扬,给人传递认真踏实、有责任心的感觉;与旅客进行交流时的微笑幅度稍大,体现出热情待客、尊重旅客的感觉;当我们服务重点旅客时的微笑就要温柔亲切,传递出可靠、温暖的感觉。
A.
正确
B.
错误
【多选题】工人阶级肩负着推翻资产阶级统治、建立社会主义制度并最终实现共产主义的历史使命。工人阶级之所以能够承担这样的伟大使命，是因为( )
A.
工人阶级是社会化大生产的产物，与先进的生产方式相联系，是先进生产力的代表，是最 有前途的阶级
B.
在资本主义制度下，无产阶级(工人阶级的前身)是被压迫阶级，是被剥夺了任何生产资料所有权的阶级，是唯一与资产阶级直接对立和完全对立的因而也是唯一能够革命到底的阶级
C.
工人阶级是在斗争中不断成长，走向成熟的阶级
D.
在社会主义条件下，工人阶级成为国家的领导阶级，其先进性进一步增强
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