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了解工业余热供热、核能供热的形式。

答案

参考答案：

工业余热供热：是利用工业生产过程的产品和排放物料所含的热或设备的散热来供热核能供热：以核裂变产生的能量为热源来供

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The Longest Bicycle
The longest true bicycle was 28.1 meters long and had two wheels. It was built by the students at the  Delft  University  of Technology  in  the Netherlands. The bicycle was ridden more than 100 meters in Delft on December 11, 2002.
The Most Expensive Jeans
A pair of Levis jeans which was over 115 years old then was sold by Randy Knight to a Japanese buyer over the Internet on June 15, 2005. The jeans cost the buyer $60,000.
The Heaviest Apple
The heaviest apple weighed 1.849 kilos. It was grown by Chisato Iwasaki on his apple farm in Japan. Chisato picked the apple on October 24, 2005.
The Largest Mobile Phone
The Iargest mobile phone was the Sony Ericsson W810i. It was 2.50×1.14×0.49m and was measured (量) at the MTN Scien Centre in Cape Town, South Africa, on September 20, 2007.
小题1:The longest bicycle ______.
A. was made in the USA.
B. couldn't be ridden
C. was about 100 meters long
D. had only two wheels
小题2:Which of the following is NOT true about the most expensive pair of jeans?
A．It was sold over the Internet.
B．It cost the buyer $60,000.
C．It was sold to an American buyer.
D．It is more than 100 years old now.
小题3:According to the passage, what happened on October 24, 2005?
A．The heaviest apple was grown.
B．The longest bicycle was built.
C．The largest mobile phone was made.
D．The heaviest apple was picked.
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单项选择题

下面哪一种笔可以在恶劣环境下写出字迹？（）

A.碳素笔

B.圆珠笔

C.钢笔

D.铅笔
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