Which of the following can be best answered by the information about the reduction of losses and waste in engineering？
A. When do losses and waste soar in a machine？
B. Why is the work of the chemical engineer important to oil refining？
C. How does the engineer achieve the good design of a product？
D. What are essential for the efficient functioning of a machine？
查看答案
A．A camera.B．A film.C．Photo.D．Picture.
A camera.
B. A film.
C. Photo.
D. Picture.
听力原文：M: Have you seen this postcard from Rohm？ He's in Florida.
W: Oh, so he was able to get time off from work.
Q: What had the woman assumed about Rohm？
(16)
A. He would send a postcard if he went away.
B. He would be able to take a vacation.
C. He had already gone back to work.
D. He didn't want to go to Florida.
What does the speaker believe about sea resources？
A. The Indian tiger and American eagle are important.
B. None of the great sea fisheries are to be exhausted.
C. Fish supply has no effects on people.
D. Sea resources are important to people.
Television is ______ the English language.
A. destroying
B. diffusing
C. purifying
D. standardizing
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