By saying "'"computation could drive an even deeper wedge between the rich and poor" (Line 5, Para. 4) the author means ______.
A.people are getting richer and richer
B.there will be a small gap between rich and poor
C.the gap between rich and poor is getting larger and larger
D.it's time to close up the gap between the rich and poor
第2题
点接触式钢丝绳,股中内外层钢丝以等捻角不等捻距(跨越捻)来捻制,一般以相同直径的钢丝来制造,钢丝间呈点接触状态。()
第3题
A.同向捻与轮绳接触面积小
B. 同向捻的绳比较柔软
C. 交互捻寿命短
D. 交互捻稳定性强
第4题
由钢丝按左向螺旋捻制成股,再由股向右捻制成绳,这种称为()。
A.混合捻钢丝绳
B.交互捻钢丝绳
C.同向捻钢丝绳
D.异形股钢丝绳
第5题
A.同向捻与轮绳接触面积小
B.同向捻的绳比较柔软
C.交互捻寿命短
D.交互捻稳定性强
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