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最佳答案：(1) S-5层压材料允许在设计上存在一定变通,这一点是其他合成材料不具备的（2）这句话没主语,暂且译为“控制板选出了面密度与理想M-30有所不同的XXX（主语
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最佳答案：3, three, the third (以后 the 省略）5, five, fifth8, eight, eighth9, nine, ninth11, e
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最佳答案：I have classes from twenty to nine to five to twelve.
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最佳答案：方法：1 students stand or sit in a circle.让学生站或坐成一圈.2 by the ball began to any stud
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最佳答案：one,two,three,four,five,eight,nine,thirteen,fourteen,fifteen,eighteen,nineteen,t
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最佳答案：one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen
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最佳答案：1. Ten kilometers per hour2. He is double my age3. Let them be quiet4. Add up th