读右边区域示意图,请回答下列各题。 小题1:关于甲、乙两区域河流特征的描述,正

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问题:

读右边区域示意图,请回答下列各题。

小题1:关于甲、乙两区域河流特征的描述,正确的是

A.甲区域河水主要来源于冰雪融水,夏季气温越高,水量越大

B.乙区域河水主要来源于大气降水,冬季有结冰现象

C.甲区域河流由四周流向中部,多为外流河

D.乙区域河流由四周流向中部,河流水量大小题2:下列属于甲区域代表性农产品的是

①棉花 ②柑橘 ③葡萄 ④椰子 ⑤天然橡胶

A.①②

B.①③

C.③④

D.③⑤

考点:新疆维吾尔自治区西部地区的自然环境西部地区的生态保护与旅游资源的开发河西走廊
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From Mr. Ward Hoffman.

Sir, I was halfway through Professor Raj Persaud's article “What's the tipping point"(Financial Times Weekend, April 9-l0) when it occurred to me that what I was reading was not ironic(讽刺的). If Prof Persaud wants to know why Americans tip in restaurants, he need only ask the first American he meets in London.

Americans tip in restaurants for one reason, and one reason only: we tip to supplement (补贴) the salary of restaurant workers. Quality of service does not enter into it, beyond the fact that one may tip a bit less for poor service, or a little more for good service.

Not tipping at all in a non-fast-food restaurant is not a choice. In the US, one used to tip about 15 per cent for dining in a family-style restaurant or in an upmarket (高档的) restaurant. Here, in San Francisco Bay area restaurants, we are encouraged to tip 20 per cent or more, to help restaurant workers live in this very expensive area.

After eating at an Italian restaurant in my city, I left a tip of 20 per cent on the non-tax part of our dinner bill. It was expected. There is nothing more complicated (复杂的) than that about Americans tipping in restaurants.

Ward Hoffman, 

Palo Alto, CA 94306, US

*                *                  *

From Mr. Philip McBride Johnson.

Sir, I agree with most of Raj Persaud's opinions about the doubtful value of tipping, but with one exception(例外). Tips can be very useful when one is a repeat customer or diner.

It is only when the tipper is a stranger and likely to remain so that the system does not work to his or her advantage. But frequent a hotel or a restaurant, always tip a bit more, and the difference in service and treatment will be easily felt.

Philip McBride Johnson,

Great Falls, VA 22066, US

68. What can we learn from Hoffman's letter?

A. Quality of service determines tipping in the US.

B. Americans don't tip in non-fast-food restaurants.

C. Tipping in US upmarket restaurants is unnecessary.

D. How to tip in the United States is not complicated. 

69. Johnson's letter shows ________.

A. a stranger in a restaurant is likely to tip a bit more

B. diners receive better service if they frequent a restaurant

C. repeat diners may get good service if they tip a bit more

D. the tipping system works to the advantage of new customers       

70. From the two letters, we can learn Professor Raj Persaud ______ .

A. feels doubtful about the value of tipping

B. believes tipping improves quality of service

C. wants to ask Hoffman about tipping in the US

D. thinks tipping a bit more one can get good service            

71. The two letters most probably appears in a ______.

A. notice               B. handbook            C. book review        D. newspaper  

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( )是生产工作中的一项十分重要的内容。

A.事故调查

B.事故报告

C.事故研究

D.事故管理

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在发生保险事故后,为了保证保险的损失赔偿和给付责任的及时体现,投保人必须履行的义务是()。

A.如实告知义务

B.事故发生后的及时通知义务

C.危险增加通知义务

D.及时证明义务

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机器发生过载时,传动带可以在带轮上()从而()。

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工作许可人在收回工作票后,认为可以进行试运时,应将试运设备检修工作票有关安全措施撤除,检查工作人员却已撤出检修现场后,联系恢复送电,在确认不影响其他作业人员安全的情况下进行试运。

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