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The new suitcase at the exhibition （） by a Chinese company.

參考答案： The new suitcase at the exhibition was designed by a Chinese company.

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判斷題

The new suitcase at the exhibition is designed by a Chinese company.（）

單項(xiàng)選擇題

正常人股骨前傾角平均為（）

A.10°
B.15°
C.20°
D.25°