问题 计算题

下表是国产XQ30-B型全自动洗衣机的铭牌,表中主要技术参数计算时可选用。求:

(1)这台洗衣机在额定电压下洗涤,通过洗衣机的电流是多少?

(2)若洗衣机的累积洗涤时间为30min,累积脱水的时间为10min,洗衣机共耗电多少千瓦时?

答案

(1)2.73A

(2)共耗电0.35kW·h

阅读理解

阅读理解。

     Stephen Hawking was bom in 1942. He's a world farnous acientist and exper on space and tine.Stephen in

trying to find the snswers to some very big questions.such as:How did the uni-verse begin?How will it end?

     Stephen was a strdent at Oniversity. He studied math and science.Then, at the age of twenty. he became

very ill. He was so young, but the doctors said to his family,"He has only two more years to live,"The doctors

were wrong-he didn't die "He can't walk now but he usea a wbeclchair (轮椅). He talks with the help of a

computer.After Oxrord,Stephen went to Canadridge Univeraity.Three years later, in 1965, he became a doctor (博士) of philosophy (哲学).

     Because of his health problems, it was difficuk for him to draw diagrams or to write.So he star-ted to think

in pictures.With this new way of thinking,he became one of the most famous scientists in the world, In1981,

he met the Pope (教室) in Rome.They talked about his ideas. Then in 1988, he wrote his first important book,

A Brief Histary of Time.It aold more than 5.5million cop-ies (册) in 333 difcrent Langusgees.

1.What did Stephen Hawking study at Oxlord University?

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2.What did he decome very ill?

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3. What did the doctors dhink of his disease?

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4. What kind of person do you think Stephen Hawking is?

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单项选择题 A3/A4型题