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sat 一道语法题driving less frequently is one way to save energy;

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sat 一道语法题
driving less frequently is one way to save energy; (to turn off)all appliances when they are not being used is another 这里they 为什么就对了,不是指代不清吗,turn off 错了,要和driving 并列,但我觉得they 也错,所以cb应该被拉去枪毙了才对嘛.
sat 一道语法题driving less frequently is one way to save energy;
你的理解错了.
前半句:
driving less frequently is one way to save energy;少开车是节能的一种方式;
后半句:
是这样的:
(to turn off:可能用turning off更好一些吧)all appliances is another (way)
when they are not being used
当电器不使用时把它们都关掉是另一种节能方式.
they指电器