第4题: [单项选择]The airline announced that it ______ refunds to customers because of delays caused by inclement weather. A. will not have been offering B. will not be offered C. would not be offering D. would not be offered 参考答案:C 答案解析:[语法] 时态一致,语态 [错误答案] 主句动词announced是过去时态,所以从句的动词也要使用would,而不是will。另外,空白处后面的宾语是表示主动语态的refunds,因此作为
第31题: [单项选择]对应ASCH码表,下列有关ASCII码值大小关系描述正确的是 A. “CR”<“d”<“G” B. “a”<“A”<“9” C. “9”<“A”<“CR” D. “9”<“R”<“n” 参考答案:D 答案解析:[解析] 在ASCII码中,有4组字符:一组是控制字符,如LF,CR等,其对应ASCII码值最小;第2组是数字 0~9,第3组是大写字母A~2,第4组是小写字母a~2。这4组对应的值逐渐变大。