plastic bags are useful for holding many kinds of foods,___ their cleamess,toughness,and low costA.by way ofB.by virtue ofC.becauseD.in case of

plastic bags are useful for holding many kinds of foods,___ their cleamess,toughness,and low costA.by way ofB.by virtue ofC.becauseD.in case of
plastic bags are useful for holding many kinds of foods,___ their cleamess,toughness,and low cost
A.by way of
B.by virtue of
C.because
D.in case of

plastic bags are useful for holding many kinds of foods,___ their cleamess,toughness,and low costA.by way ofB.by virtue ofC.becauseD.in case of
C
塑料袋被用来装很多食物,因为他们干净,坚固,低成本.

A

C
塑料袋被用来装很多食物，因为他们干净，坚固，低成本。能稍微解释一下吗哦，不好意思·~ 此处应该用because of~~ because 是连接句子的，此处是直接连接名词，所以要加上of， 介词短语直接连接名词 答案是选B by virtue of=because of 由于，因为~~~后面直接接名词性成分...

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C
塑料袋被用来装很多食物，因为他们干净，坚固，低成本。

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