题目内容

symbolize ()

A. to be a symbol of.
B. twelve o'clock at night.
C. (sometimes capitalized) the evening or day before a holiday or other special day.
D. to make certain; cause to be a certainty.

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solution ()

A. the total number of people living in a country, city, or other area.
B. to propose or implement a new method, approach, idea, or the like; make inventive changes.
C. an answer to a problem or a way to fix it.
D. a guess or estimate about something that will happen in the future.

spacecraft ( )

A. a state of health or of the ability to work or be used.
B. a substance needed for the health and normal working of the body.
C. the small part of a plant with flowers that grows into a new plant.
D. a vehicle designed to travel in outer space.

reduce ( )

A. a state of health or of the ability to work or be used.
B. the small part of a plant with flowers that grows into a new plant.
C. to make less in amount or size.
D. a vehicle designed to travel in outer space.

whichever ( )

A. a substance needed for the health and normal working of the body.
B. a state of health or of the ability to work or be used.
C. the small part of a plant with flowers that grows into a new plant.
D. whatever or any one that.

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