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【单选题】
一生写了大量钢琴练习曲,作品599是其中一本应用广泛的练习曲集,这是一本?A.
初步教程
B.
手指轻巧练习
C.
快速练习
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【简答题】I was driving in my car the other day. The sun was out, the radio was playing, and I was ____ along. The song was a ____ one and even my weak voice sounded good singing it. Then it ____, however. The ...
【简答题】图示结构，各杆线刚度为i，用力矩分配法计算时分配系数【图片】=______，传递系数【图片】=______。（答案中间用斜杠/隔开，精确到小数点后1位）【图片】
【简答题】阅读理解。 One day, I was driving along a country road at 80 miles an hour. Suddenly a chicken came along. It ran faster than my car. I was surprised. I drove faster and ran after the chicken, but it was o...
【单选题】图示结构各杆线刚度i相同，用力矩分配法计算时，力矩分配系数μ BA 及传递系数分别为C BC ：（）
A.
1/2，0
B.
4/7，0
C.
4/7，1
D.
4/5，-1
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