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【单选题】
一根圆柱体木料,锯成 3 段需要 6 分钟。照此速度,锯 5 段需要多少分钟?解:设锯 5 段需要 x 分钟,正确的列式为:( )
A.
6 : 3 = x : 5
B.
3 × 6 = 5 x
C.
6 :（ 3 － 1 ） = x : 5
D.
6 :（ 3 － 1 ） = x :（ 5 － 1 ）
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when
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while
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【单选题】I suppose Ill have to look for a job; ______, Ill either have to find a rich wife or starve.
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