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下图示意日本本州岛部分地区樱花初放日期，读图回答下列各题。

导致N地樱花初放日期比M地早的主要因素是（）

A．洋流

B．地形

C．土壤

D．降水

答案

参考答案：A

解析：

影响樱花初放日期的主要因素是热量，N地樱花初放日期比M地早说明N地比M地温暖，两地地形、土壤相差不大，主要是东岸的N地附近受日本暖流的影响。故选A。

考点：本题考查自然地理环境的整体性。

单项选择题

Not everyone in the world requires the same amount of living space. The amount of space a person needs around him is a cultural difference, not an economic one. Knowing your own psychological space needs is important because they ply affect your choices, including, for example, the number of bedrooms in the home. If you were brought up in a two child family and both you and your sister or brother had your own bedrooms, the chances are if you have two children or more, that you also will offer separate bedrooms for them. In America, for example, they train people to want to have their own rooms by giving them their own rooms when they are babies. This is very unusual in the world. In many other countries, the baby sleeps in the same bed with his parents or in bed near them.
The space in the home also shows a lot about psychological space needs. Some families gather closer to each other and the size of their house has nothing to do with it. Others have separate little corners where family members go to be alone.
Although it is true that psychological space needs are not decided by economic reasons, they sometimes have to be changed a little because of economic pressure. It is almost impossible, however, to completely change your psychological space needs.

According to the writer of the passage, psychological space needs ______.

A．are not affected by income at all
B．can hardly be changed altogether
C．can be changed if you make up your mind to do so
D．have nothing to do with cultural background
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填空题

类是支持集成的抽象数据类型，而对象是类的【4】。
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