题目内容

n. sending out harmful radiation caused when the nuclei of atoms are broken up

A. portrait
B. radioactivity
C. preposition
D. property

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n. the cost of sending a letter, etc. by post

A. pastime
B. postage
C. pistol
D. poetry

a. happening or existing before sth. else or before a particular time

A. proceed
B. penetrate
C. prior
D. reinforce

n. a special right or advantage that a particular person or group of people has; the rights and advantages that rich and powerful people in a society have

A. privilege
B. quotation
C. rehearsal
D. peninsula

vt. to arrange for an event, etc. to take place at a later time or date

A. protein
B. postpone
C. revolution
D. portrait