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【单选题】
控制线路中的某电器元件符号如图所示,它是______。A.
电压继电器线圈符号
B.
电流继电器线圈符号
C.
熔断器符号
D.
电阻符号
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反馈参考答案：
举一反三
【简答题】三 . 用所给单词完成句子 1. (the office / clean / yesterday) The office was cleaned yesterday.(范例) 2.(the house / paint / last month)The house ____
【简答题】向已有的数据库中添加新的数据文件使用( )语句。
【简答题】When this story happened, they were working around a very large house. Their job was to do the cleaning. It was not a difficult job, but sometimes it was a little erous, because they had to walk b...
【简答题】The house was clean, the table set, and the porch light on everything was ready for the guests' arrival.
【单选题】—Did Jenny clean the whole house yesterday ? —She because she was not quite herself .
A.
hadn’t cleaned it
B.
had it cleaned
C.
had cleaned it
D.
cleaned it
【单选题】He was made ________ the house under his mother’s direction.
A.
clean
B.
cleaning
C.
cleaned
D.
to clean
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