单项选择题
A.2.2~2.6B.2.3~3.0C.2.3~2.7D.2.2~3.0
A.1B.1.5C.2D.2.5
A.145~168B.145~155C.151~155D.150~160
A.140~160B.145~168C.145~155D.145~165
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