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大港油田生产的YLⅡ—100型螺杆钻具有三种转速，（）不是。
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Lainey finished third grade. She had good grades and could read grade level, but she did not like to read. On a family car trip, her Aunt Dede pulled out a copy of Harry Potter, as a surprise for her . But Lainey took one look at it, her eyes, and said, “ Borring !”Aunt Dede, a teacher, had read the book to her students, and they loved it. the youngest children in the class were by the story. They with great interest and then joined in grand conversations about Harry`s adventures.“How can you say it`s ? Have you read it? ” asked Aunt Dede.“No, it`s too long and it doesn`t have any .” complained Lainey.“Oh, that`s where you are ;there are lots of pictures. Every page is full of pictures; you just have to read the words to them. It`s like magic.”“Nice try , Aunt Dede,”Lainey replied from the back seat.Another was in order. “Well, if you don’t want to read it, give it .Maybe your mom would hearing the story.” The book sailed through the air to Aunt Dede and she began to read it aloud. By the end of the first chapter, were coming from the back seat:“Please read a little .”Lainey is an example of an reader. As shown here, Lainey can become about reading when with literature on topics that interest her, and when the people around her model involvement in the reading process.
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心理学将对自身认知活动有所意识的能力称为元认知。（）
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制备有粒度范围要求的特殊实验样时应采用（）法。
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操作员每日、（）本人或（）每旬检查、核对贸易通-纸质商业汇票系统的账务，确保分户余额、纸质商业汇票卡片等核对一致。
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联络线两侧不得同时投入检查线路无压重合闸。使用检查线路无压重合闸的一侧同时使用检查（），并启动重合闸后加速装置。
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下列不属于中负荷车辆齿轮油黏度牌号的是（）。
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木楼梯踏步板若为拼版制作，则（）为较好的一种方式。
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几种线路同杆架设时，必须保证高压线路在低压线路（）。