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问题 单项选择题

处于( )的行业销售的波动性及不确定性都是最小的，而现金流为最大。

A．启动阶段
B．成长阶段
C．成熟阶段
D．衰退阶段

答案

参考答案：C

解析： 成熟阶段销售的波动性及不确定性都是最小的，而现金流为最大，利润相对来说非常稳定，所以C选项符合题意。

阅读理解

Venice is a great place in the world. People call it “City of Water” because it is built on the water just like some stone buildings floating (漂浮) on the water. There are more than 350 bridges in the city. It’s in the southeast of Italy. You can hardly hear the sound of cars in the city. All transportation is by boat or on foot. And the most popular vehicle (交通工具) is gondola (贡多拉). You can see the beautiful sights and at the same time hear Italian operas on it. It’s also a city of art and music. It played a very important role in the Renaissance (文艺复兴). There are a lot of buildings there. Venice is a special and unique (独一无二的) place in the world, so a lot of people come to visit it every year. It’s better to visit the city in July, August, or September. And the people who come here will never forget this beautiful place.

小题1:Where is Venice?    

A．In Italy.

B．In Japan.

C．In England.

D．In France.小题2:Why is gondola the most popular vehicle in Venice?

A．Because it goes very fast.

B．Because you can have delicious food on it.

C．Because it is very cheap.

D．Because you can see the sights and hear the operas on it.小题3:When is better to visit Venice?

A．In June and July.

B．In August and September.

C．In September and October.

D．In May and July.
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判断题

螺杆泵井油套压接近且油套连通时，是抽油杆断脱引起的。
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