题目内容
某商店内部规定,顾客购买热水器的同时必须购买其水管线,此规定侵犯了消费者的()
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第55题、What should you do once you start troubleshooting? Write down_____________________________you take.
第56题、Why are you advised to write down the error message as much as possible? To find out if other people are having the_____________________________.
第57题、What should you do when you have trouble with a specific piece of computer hardware? To check all_____________________________.
第58题、When should you restart your computer? When_____________________________.
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