题目内容

正确答案是()

A. in general
B. on average
C. by contrast
D. at length

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正确答案是()

A. survived
B. noticed
C. undertaken
D. experienced

正确答案是()

A. affect
B. reduce
C. check
D. reflect

Not only__________ people to send words, music, and codes to any part of the world, it can

A. enabled by radio
B. radio enables
C. does radio enable
D. has radio enabled

正确答案是()

A. measuring
B. understanding
C. characterizing
D. charting

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