题目内容

自行车的轮子是个构件，轮子上的钢丝、螺母、钢卷等都是零件。

A. 对
B. 错

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机器与机构、构件与零件的联系与区别。

Listen to the long conversation and fill in the blanks with what you hearAfter 13 years of marriage, the woman wants to 1)_____ ,claiming that he is 2)_. When asked for the specific grounds for divorce, she gives these reasons. First, he keeps 3)_ and the family has had to move four times in 13 years. But she wants 4)_ for her children and herself. Second, although he is playing the 5)_ They only live near the 6)_ . Her children are being teased by other children for not dressing in good clothes. Also they have to live in a small 7)_ and drive an old car, though it still runs. Worse still. The husband 8)_ her, though she admits that she also yells at him and 9)_ . As for the divorce arrangements, the woman will give her husband only visitation rights instead of joint custody. Moreover, the woman will demand 10)_____ of all they have and large support payments.

若将受扭空心圆轴的内、外直径均缩小为原尺寸的一半，则该轴的最大切应力应是原来的（）倍。

A. 2
B. 4
C. 8
D. 16

下面有关柱顶层节点构造描述错误的是（）。

A. 16G101-1关于边、角柱柱顶纵筋构造给出5个节点，均可单独使用
B. 柱外侧纵筋配筋率大于1.2%时，分两批截断，两批截断点位置至少间隔20d。
C. 柱箍筋内侧设置间距≤150，但不少3根，直径不小于10的角部附加钢筋。
D. 柱纵向钢筋直径≥梁上部钢筋时，可兼做梁上部钢筋