题目内容

Thenumber30onaroadsign______thatthespeedlimitis30milesanhour.

A. signifies
B. forecasts
C. illumines
D. characterizes

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Ourdirectorhad______onthematterforalongtimebeforehemadethedecision.

A. hushed
B. thrashed
C. pondered
D. suspended

Thewordisnowwidelyusedinnewspapersandmagazines,butitsoriginstillremains_____.

A. exotic
B. widespread
C. obscure
D. adrift

George______anagonizing48-hourwaitfortheresultsofthetests.

A. underwent
B. withstood
C. undertook
D. grilled

Thecar,atleastasweknowit,isonthewayout,becauseitsexhaust______athreattotheenvironment.

A. originates
B. poses
C. offends
D. paralyzes

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