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【简答题】
下面语句中，正确的是（ ） ①不相交的两条直线叫做平行线； ②在同一平面内，两条直线的位置关系只有相交和平行两种； ③如果线段AB和线段CD不相交，那么直线AB和直线CD平行； ④如果a ∥ b，b ∥ c，那么a ∥ c． A．②和④ B．①和② C．②和③ D．①和④
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A.
transferred
B.
transformed
C.
transmitted
D.
transacted
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A.
successes
B.
success
C.
failure
D.
defeats
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