当企业在市场营销活动中遇到问题时，应该进行的市场调查有（）

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问题多项选择题

A.调查研究市场竞争情况

B.调查产品的需求量和市场潜力

C.调查消费者购买行为

D.调查行业的现状

答案

参考答案：A, C

阅读理解

阅读短文，判断正(T)误(F)。

Watch and Clock

Look at your watch. It has two hands, a long hand and a short hand. Some watches have three hands,

an hour hand, a minute hand and a second hand. A watch is small. We can put it in the pocket (口袋) or wear

it on the wrist (手腕). Some clocks are very big. We can see them from far away. These clocks are not in the

rooms. They are on very big houses.

( ) 1. We can wear a clock on the wrist.

( ) 2. We can put a watch in the pocket.

( ) 3. We can see clocks on very big houses.

( ) 4. What's " an hour hand " in Chinese? It's“时针”.

( ) 5. A clock is small, but a watch is big.

单项选择题

在制冷设备蒸发温度一定、冷却水的温度和流量一定的情况下，升高冷凝温度将（）。

A.增大制冷循环效率

B.减小蒸发器的面积

C.减小冷凝器的面积

D.减小压缩机的功率消耗