FIDIC合同条件下通用条件条款的条目包括( )等。
A.图纸
B.不可抗力
C.开工、延误和暂停
D.业主提出终止
E.业主的接收
参考答案:B,C,D,E
如图所示,沿x轴正方向传播的一列横波在某时刻的波形图为一正弦曲线,其波速为200 m/s,则有
A.图中质点b的加速度在增大
B.从图示时刻开始,经0.01 s质点a通过的路程为40cm,此时相对平衡位置的位移为零
C.若此波遇到另一列波,并产生稳定的干涉现象,则另一列波的频率为50 Hz
D.若产生明显的衍射现象,该波所遇到障碍物的尺寸一般不小于200 m
"There is evil in every human heart, which may remain latent, perhaps, through the whole life; but circumstances may rouse it to activity.", which author of the following authors does the mention belong to
A. Washington Irving. B. Ralph Waldo Emerson.C. Nathaniel Hawthorne. D. Walt Whitman.