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about和around的区别
1.表示“在……周围”,三者常可互换.如： They sat about [round,around] the fire.他们围火而坐. 注：在现代英语中,about 用于这种情况已不多见. 2.表示“到处”,三者常可互换...
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parents ,our,Day,can,to,School,come,school,on 连词成句是问号
句子是：Can our parents go to school on School Day? 翻译是：我们的父母在学校日那天能来我们学校吗?和上面的哪个对？您可以仔细比较，上面的知友的句子明显掉了您给出的...
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we usually begin our english class ___ children's rhymes.a.with b.at c.in d.use
此句主谓宾已经完整,后边的部分是伴随状语.begin with 为固定搭配,意为“以.开始”....
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Design Entry CIS是什么意思（CIS英文全称）
全称 ：Component Information System帮助文件有说Capture Component Information System (CIS) is a part management system that is available as an option for use with OrCAD Capture.OrCAD Capture CIS helps ......
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如果数轴上的点A到原点的距离是1,点B到原点的距离是5,那么A,B两点之间的距离是?
A为-1或者1B为-5或者5AB之间的距离有以下多种可能的情况：5-(-1)=6 5-1=4 -1-(-5)=4 1-(-5)=6,可见距离为4或者61、are2、are、am not、am3、amIs he short?No,he isn't.Jim and Amy are not good at E...
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who know what's the meaning of energy is transferred in the direction of the pulse as the wave
who know what's the meaning of energy is transferred in the direction of the pulse as the wave progresses through the medium谁知道这是什么样子的情况意思将能量的方向进展的脉冲波通过介质......
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