【单选题】I thanked him for the offer but ___it___ .
【判断题】普通双丝灯泡中的远光灯丝位于反射镜旋转抛物面的焦点,而近光灯丝位于焦点的下方。
【简答题】I thanked him for the offer but turned it ______.A. down
【简答题】I thanked him for the offer but turned it
______.
【单选题】假定⑤轴线上的一个壁柱底部截面作用的轴向压力标准值NK=179kN,设计N=232kN,其弯矩标准值Mk=6.6kN·m,设计值M=8.58kN·m,如题35图所示。试问,该壁柱底截面受压承载力验算结果(Nφ≤fA),其左右端项与下列( )项数值最为接近。
【简答题】I thanked him for the offer but____it_____..
【单选题】Though ______ he said was of little help to me, I thanked him all the same
【单选题】由测者午圈起,沿天赤道向东或向西度量到天体时圈,从0°~180°计算称为:
【单选题】I thanked him for the offer but __________ it down.