单项选择题

钻铤的主要特点是（）。

A.壁厚大、重量大
B.壁厚大、刚度大
C.壁厚大、重量大、刚度大

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单项选择题
Which of the following could be an appropriate title for this passage?（）

A.Louis XIV and the Palace of Versailles.
B.The ceilings of the Hall of Mirrors.
C.The Amazing Palace of Versailles.
D.A History of France.
单项选择题
Which of the following is not mentioned as a feature of the Hall of Mirrors？（）

A.Bronze moldings.
B.Ornate paintings.
C.Marble fixtures.
D.Crystal chandeliers.
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