根据听到的内容，回答下题. The news item is mainly about the background of
A. Martin's struggle against his political opponents.
B. the opposition's calling a vote of no confidence.
C. Martin's opposition to the United States.
D. the new election campaign in Canada.
查看答案
What is the conversation mainly about？
A more economical diesel fuel.
B. Characteristics of a new type of fuel.
C. Where is a new energy source located？
D. How to develop alternative energy sources.
What effect will the increased use of DME instead of diesel fuel probably have？
A. It will reduce the amount of pollutants in the air.
B. It will increase the amount of unpleasant odors from vehicles.
C. It will eventually destroy the ozone layer.
D. It will reduce the cost of running large vehicles.
Before the museum is actually built, all of the following have to be done EXCEPT
A. soliciting half the museum's price tag from private donors.
B. choosing an architect.
C. choosing a director of the new museum.
D. assembling the collection.
The passage mainly focuses on
A. the explanation of efficient market.
B. the exchange of different currencies.
C. how to make profits from stock market.
D. how to catch the profit opportunities.
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