When new words are needed to name technological and scientific terms, English often makes new words by borrowing roots (词根) and affixes (词缀) from ...
A. Latin
B. French
C. Greek
D. German
查看答案
What events/elements in history changed English?
A. War
B. Migration
C. Religion
D. Science and technology
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