红外火焰探测器的核心部件为热敏电阻,其阻值变化与温度变化成()。A、正比例 B、反比例

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问题:

红外火焰探测器的核心部件为热敏电阻,其阻值变化与温度变化成()。

A、正比例

B、反比例

C、函数增长

D、线性增长

考点:加气站操作员考试加气站操作员高级工考试加气站操作员高级工考试题库
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衣氏放线菌()
红斑丹毒丝菌()
蜡样芽胞杆菌()
白喉棒状杆菌()
B群链球菌()

A.CAMP试验(+)

B.美蓝染色

C.有荚膜和芽胞

D.厌氧或微需氧

E.食物中毒

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直流电动机电刷下火花为()级火花。

A、0

B、1

C、1.5

D、2

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《中华人民共和国文物保护法》规定,历史文化名城和历史文化街区、村镇的保护办法由()制定。

A.国务院

B.国务院文物行政部门

C.省、自治区、直辖市人民政府

D.省级以上人民政府文物行政部门

题型:单项选择题

Shanghai:       Car rentals(出租) are becoming more and more popular as an inexpensive way of taking to the roads. Business people, foreigners and families alike are making good use of the growing industry.

The first car rental firm opened in Shanghai in 1992 and now 12 car rental players are in the game, with more than 11,500 cars in their books.

The largest player - Shanghai Bashi Tourism Car Rental Center offers a wide variety of choices - deluxe sedans, minivans, station wagons, coaches. Santana sedans are the big favorite.

Firms can attract enough customers for 70 percent of their cars every month. This figure shoots up during holiday seasons like National Day, Labor Day and New Year's Day, with some recording 100 percent rental.

The major market force rests in the growing population of white-collar employees (白领雇员), who can afford the new service, said Zhuang Yu, marketing manager of Shanghai Angel Car Rental Co.

56. The words "deluxe sedans, minivans" and "station wagons" used in the text refer to ______.

A. cars in the making     B. car rental firms       C. cars for rent          D. car makers

57. Which of the following statements is true according to the text?

A.70% of the cars can be rented out on holiday.

B. 70% of the customers are white-collar employees.

C. More firms are open for service during holiday seasons.

D. Some firms rent out all their cars during holiday seasons.

58. Shanghai's car rental industry is growing so fast mainly due to ______.

A. better cars supplied by producer

B. fast service offered by car rental firms

C. the increasing number of white-collar employees

D. People's growing interest in travelling during holidays

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“绿色通道”责任管理部门是各作业部。

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