题目内容
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A．chemical warfare
B．the decrease of fresh air
C．the greenhouse effect
D．nuclear plants
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A、Values.
B、Emotion.
C、Policy.
D、Fact.
A、What is the purpose of the study?
B、What problem does the study try to solve?
C、What solution does the paper offer?
D、What is the scientific objective of the study?
A．Opposition.
B．Indifference.
C．Welcome.
D．Tolerance.
A．extension of a patent"s life-span is usually limited
B．if there is no reward for a patent, extension can be granted
C．an extension cannot be longer than 32 years
D．few patents of invention can be granted an extension
A．continually
B．permanently
C．privately
D．publicly
A．the young birds can learn about the enemy"s appearance
B．these kinds of birds are born to know their enemy
C．the young birds can escape to safe places by mobbing
D．the young birds can learn to fight with their enemy
A．She wants the man to suggest a course of action for her.
B．She does not think the man understands what she wants to do.
C．She wants the man to help her plan studying abroad.
D．She does not know what information the man is looking for.
A．brakes.
B．skis.
C．ski manufacturer.
D．kick-off force.
B．She doesn"t recommend the red tie.
C．She doesn"t think the man needs to wear a tie
D．She has no opinion about men"s clothing.
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