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【单选题】
下列关于平面一般简化的结论说法错误的是A.
这个力的大小和方向与系的主矢相同,作用于简化中心O点
B.
这个力偶的力偶矩等于系对简化中心O点的主矩,大小为系中各力对简化中心O点之矩的代数和
C.
平面任意力系的主矢的大小和方向与简化中心的位置有关
D.
平面任意力系的主矩的大小与转向与简化中心O的位置有关
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【单选题】The US government began to move Indians off their original land. How did the Indians react?
A.
They became sick and died.
B.
They began to fight the whites.
C.
They had to struggle against starvation.
D.
They launched a war against the whites which lasted for a hundred years.
【单选题】16 How did the accident happen? A .A lorry hit a car．
B.
A car ran into a lorry．
C.
A bank clerk rushed into the street
【单选题】How did the accident happen?
A.
A lorry hit a car.
B.
A car ran into a lorry.
C.
A bank clerk rushed into the street.
【单选题】听力原文：How do I apply for a loan? (A) Yes, the rates are low. (B) I did, at the bank. (C) Fill in this form, please. (35)
A.
B.
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