第5题: [单项选择]-3,-2,1,6,( ) A. 8 B. 11 C. 13 D. 15 参考答案:C
第6题: [单项选择]二进制数00011010对应的十进制数是 A. 16 B. 26 C. 34 D. 25 参考答案:B 答案解析:[解析] 二进制数转换成十进制数的方法是按权展开。
第7题:[单选题]Angle of attack is defined as the angle between the chord line of an airfoil and the _______. A.natural horizon B.direction of the surface wind C.pitch angle of an airfoil D.direction of the relative wind 参考答案:D