ATo make China a strong country with advanced technology.
BTo turn China into a leading country using clean energy.
CTo enable China to compete in the global commercial aircraft market.
DTo make China a creator of the most advanced aviation technology.
AThese goods must be sealed in carton boxes.
BThese goods must be in check-in luggage.
CThese goods must be in hand luggage.
DThese goods may be used for purposes other than personal use.
ATourists increased.
BTourists decreased.
CTourists were not informed of the eruption.
DTourists did not care about the eruption.
对
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对
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对
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对
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ATwice as much.
BTen times as much.
COne tenth.
DHalf.
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