license
A. to give permission to use
B. concerned with the environment
C. all the members of a family of about same age
royalties
A. a group
B. to examine
C. payments
headquarters
A. to try out
B. the use of resources so as not to cause permanent damage
C. the main location (of a company)
衡量是一个国家工业化水平和生产能力的主要标志往往是( )
A. 钢铁产量
B. 小麦产量
C. 棉织物产量
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