第9题: [单项选择]下列关于实型变量书写正确的是 A. E3 B. 2e0.3 C. 1.2e3 D. 1.2E0.3 参考答案:C 答案解析:[解析] 本题考查实型变量科学计算格式的书写。在科学计算格式中,e或E是指数符,要求在e/E之前必须有数字,选项A错误。同时还要求在e//E之后必须是整数,选项B和选项D错误。虽然题目非常简单,但是不
第38题: [单项选择]Which do you think would be the best title for the passage A. Accidents and Anxiety B. How Accidents Are Caused C. Human Factors in Accidents D. How to Prevent Accidents on Roads and in Factories 参考答案:C