题目内容

Sometimes in drawing and designing, the sign X( )()( )( )he unknown number.

A. denotes
B. defines
C. fascinates
D. facilitates

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Mr. Li’s family want to( )()( ), or keep alive, the Chinese traditions though they are now living in America.

A. conserve
B. reserve
C. deserve
D. preserve

I liked the attention but was cautious about his wild,( )( )()( )personality.

A. dynamic
B. dynasty
C. dynamics
D. dynastic

The series of failures in seeking a job made college graduates very( )()( )and depressed.

A. gloomy
B. glad
C. gracious
D. glorious

He defected( )( )()( )( )his own party and joined the Socialists.

A. /
B. to
C. from
D. in

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