In the sentence “The man, wearing such dark glasses, obviously could not see clearly.”, the clause--“wearing such dark glasses”is a nonfinite clause.
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The sentence “What you said is not true.” is a complex sentence.
A. 对
B. 错
两无限长载流直导线通有同向等值稳恒电流I,两导线间距为d,已知两导线间P点距上导线距离为d/2,则两导线间P点的磁感应强度大小为.
框架梁平法施工图集中标注内容的选注值为:
A. 梁编号
B. 梁顶面标高高差
C. 梁箍筋
D. 梁截面尺寸
框架梁上部第一排和第二排通长筋分别从梁边起延伸至:
A. ln/4、ln/3
B. ln/3、ln/6
C. ln/3、ln/4
D. ln/4、ln/6