第13题: [单项选择]若以下选项中的变量已正确定义,则正确的赋值语句是( )。 A. x1=26.8%3; B. 1+2=x2 C. x3=0x12; D. x4=1+2=3; 参考答案:C 答案解析:[解析] 赋值的一般形式为:变量名:表达式;,赋值的方向为由右向左,即将:右侧表达式的值赋给:左侧的变量,执行步骤是先计算再赋值。选项A中运算符%的运算对象必须为整数,而选项A中26.8不为整数,故选
第20题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. Because she was a black girl. B. Because she got a lower mark. C. Because the girl wanted to hit the chairman’s wife. D. Because the girl refused to retake the exam. 参考答案:A 答案解析:[听力原文]
Why did the chairman’s wife treat the student that way
短文中提到“How could this black-skinne