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【多选题】
以下经济活动中（ ）都与京杭大运河有关A.
南粮北运
B.
盐运
C.
北煤南运
D.
输
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皮皮学刷刷变学霸
举一反三
【简答题】A．influence B．influencing C．influenced D．have influenced
【单选题】图示简支梁受到集中力和均布载荷作用，下列结论错误的是（ ）。【图片】
A.
梁在AB段的弯矩图为斜直线
B.
梁在B点的弯矩图有变化
C.
梁在B点的剪力图有突变
D.
梁在BC段的弯矩图为斜直线
【简答题】Humanity will be dramatically influenced because of ______.
【简答题】[A] influencing [B] influenced [C] having influenced [D] are influenced
【简答题】A．fi(X)=min{fi-1(X),fi-1(X)+Pi} B．fi(X)=max{fi-1(X),fi-1(X-Wi)+Pi} C．fi(X)=min{fi-1(X-Wi),fi-1(X-Wi)+Pi) D．fi(X)=max{fi-1(x-Wi),fi-1(X)+Pi}
【简答题】Students' self-respect is influenced by their _________.
【单选题】Are the trains often influenced by the rain or snow?
A.
Yes, the trains often influenced by the weather.
B.
No, high speed trains are less influenced by weather.
C.
No, high speed trains are often influenced by traffic control.
【单选题】图示简支梁受到集中力和均布载荷作用，下列结论错误的是（）。【图片】
A.
梁在 AB 段的弯矩图为斜直线
B.
梁在 BC 段的弯矩图为斜直线
C.
梁在 B 点的弯矩图有变化
D.
梁在 B 点的剪力图有突变
【单选题】No one can avoid ________ by one's surroundings. A. to be influenced B. having influenced C. influencing D. being influenced
A.
to be influenced
B.
having influenced
C.
influencing
D.
being influenced
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