参考答案:ORDER BY 答案解析:[解析] SELECT命令中,表示条件表达式用WHERE子句,分组用 GROUP BY子句,排序用ORDER BY子句。
第22题: [单项选择]She felt suitably humble just as she _____ when he had first taken a good look at herself, hair waved and golden, nails red and pointed. A. had B. had had C. would have had D. has had 参考答案:A 答案解析:just as she had是just as she had felt humble的省略说法,是动词的过去完成时,因为这一动作发生在主句中动词felt之前。