解不等式|2x-4|<4-|x|.
原不等式等价于①或②或③
不等式组①无解.由②0<x≤2,③2<x<,
得不等式的解集为.
-----Have you heard that he was awarded the Nobel Prize in Literature last year?
---- ________. He has made a positive contribution to that field.
A.Congratulations!
B.You must be joking.
C.By no means!
D.He deserves it.
申请成立旅行社须具备的条件是()
A.部门经理至少2名
B.有固定的经营场所
C.有必要的营业设施
D.有不少于30万元的注册资本