题型:判断题 I won the first prize and you can imagine how excited I was when the Mayor ________ me withthe reward.[ ]A. provided B. supplied C. presented D. charged 查看答案
题型:判断题 图示截面对形心轴zc的弯曲截面系数是()。A.(bH2/6-bh2/6B.(bH2/6)[1-(h/H)3]C.(bh2/6)[1-(H/h)3]D.(bh2/6)[1-(H/h)4] 查看答案