Task 1
Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.
Thomas Alva Edison is known as one of the greatest inventors of his time. He was awarded more patents(专利权) on inventions than any other Americans. When he died in 1931, Americans wondered how they could best show their respect for him.
One suggestion was that the nation observe a minute or two of total blackout(停电). All electric power would be shut off in homes, streets and factories. Perhaps this suggestion plan made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off even a short time would have led to complete confusion. A blackout was out of the question.
On the day of Edison's funeral(葬礼), many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put the great force of electricity at his countrymen's fingertips.
Which of the following statement is true according to the first paragraph?
A.Edison received the first American patent.
B.Edison got the most patents in America at that time.
C.Edison was the only American inventor.
D.Edison was the first American inventor.
第3题
煅烧炉烟气温度经过余热回收后降至()℃经烟囱抽出后排空。
A.700-800
B.450-500
C.500-600
D.300-350
第4题
炭素煅烧炉出炉烟气温度约为()℃,含有大量余热,利用导热油锅炉回收烟气余热,煅烧炉烟气温度经过余热回收后降至()℃经烟囱抽出后排空。
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