题目内容

What events/elements in history changed English?

A. War
B. Migration
C. Religion
D. Science and technology

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Match the words with the ways of making new words.

已知Python程序代码段如下,与其功能等价的一组操作是( )。s=0for i in range(1,10):if i%2>0:s=s+ielse:s=s+1/i

A. s=sum([i if i%2>0 else 1/i for i in range(1,10)])
B. s=sum([i for i in range(1,10)])
C. s=[sum(i) for i in range(1,10) if i%2>0]
D. 以上均不是

已知a=[[i]*i for i in range(1,5)],则a[3]的值为( )

A. 4
B. [4]
C. [4,4,4,4]
D. 以上均不是

已知b=[[i*j for i in range(1,4)] for j in range(4,6)],则b[1,1]的值为( )。

A. 4
B. 8
C. 10
D. 12

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