在（）上第一次启用了电视转播技术，向全国各地直播了罗斯福总统

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问题单项选择题

在（）上第一次启用了电视转播技术，向全国各地直播了罗斯福总统在世博会开幕式上致辞的情景。

A．1935年布鲁塞尔世博会

B．1937年巴黎世博会

C．1939年纽约世博会

答案

参考答案：C

阅读理解

阅读理解，选择合适的答案。

Winter is very cold. Sometimes it snows in winter. We can play with the snow. We can make snowmen.

We usually wear warm clothes. My favourite season is winter, because my birthday is in December.

1. Winter is ______．

A. cold

B. warm

C. hot

2. Sometimes it ______ in winter.

A. rains

B. snows

C. snow

3. What can we do in winter?

A. We can swim.

B. We can make snowmen.

C. We can plant trees and flowers.

4. We usually wear _______ in winter.

A. shirts

B. shorts

C. warm clothes

5. Which one below is right?

A. I don't like winter.

B. I like to swim in winter.

C. My birthday is in December.

填空题

开式水的作用是其一为发电机空冷器提供（）。