单项选择题

已知int x=10,y=20,z=30;以下语句执行后x,y,z的值是(  )     
 if(x>y)
  {z=x; x=y; y=z;}

A. x=10, y=20, z=30
B. x=20, y=30, z=30
C. x=20, y=30, z=10
D. x=20, y=30, z=20
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问答题

She is considered to be the most()in the office.

答案: A.opener
B.eyesight
C.hardworking
D.accountant
正确答案:hardworking
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