平面任意力系的平衡方程采用二矩式 ∑ M A = 0 、 ∑ M B = 0, ∑ F x = 0 时,其限制 条件为________.
A.
AB连线不垂直于x轴
B.
AB连线不垂直于y轴
C.
AB连线必须平行于x轴
D.
AB连线必须平行于y轴
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【单选题】?Read the extract below from an article about Bankers’bonuses. ?Choose the best sentence from the list on the opposite page to fill each of the gaps. ?For each gap(下列各),mark one letter(A—G)on your Ans...
A.
But such attempts at mqral suasion are not working,and those in authority seem reluctant to do more.
B.
A windfall tax on profits,discussed by both government and opposition,might put any recovery at risk.
C.
The opportunity to take an equity position at a bargain price has been missed.
D.
The cr does not seem to have affected the way bankers are rewarded.
E.
An exception is the communiqu6 from the Group of 20(G20)big countries in September
F.
There was not a murmur when RBS hired a head trader for a rumoured£7m in total.
G.
Yet.he has been sounding off more vociferously than his colleagues about“unac. ceptable”pay deals for bankers。 第(8)题答案是: