《玩偶之家》又译作《傀儡之家》或《娜拉》,作者是()
A.王尔德
B.莎士比亚
C.田汉
D.易卜生
参考答案:D
A number of bricks were purchased to build a fireplace, at a cost of 40 cents each, but only
of them were needed. If the unused 190 bricks were returned and their cost refunded, what was the cost of the bricks used to make the fireplace
图示装配图中的尺寸Φ30H9/F9属于()
A.装配尺寸
B.安装尺寸
C.性能(规格尺寸)
D.总体尺寸