According to the conversation, DME won't be on the market soon because
A. it's expensive to manufacture.
B. it hasn't been adequately tested.
C. it damages car engines.
D. it's dangerous to transport.
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It is implied that pageants held in the evening has the advantage that
A. more audience can afford the time to watch the performance.
B. it doesn't cost much to design costumes for the performers.
C. the settings can be seen more clearly under artificial lighting.
D. distractions may be cut out by the surrounding darkness.
According to the author, without the Allied bombing,
A. more lives might have been saved.
B. people would have died of other disasters.
C. the Allied landing would have been out of the question.
D. many cultural objects would have survived.
What is the new cause of the evangelicals？
A. Fighting against abortion.
B. Warning about the global warming.
C. Fighting against gay marriage.
D. Warning about air pollution.
The ocean may be used to detect neutrinos for the following reasons EXCEPT that
A. it can provide massive nucleons.
B. it is like a huge detecting apparatus.
C. it enables neutrinos to move more actively.
D. it can keep away the interference of other particles.
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