题目

某班5名学生在一次数学测验中的成绩以90分为标准，超过的分数记为正数，不足的分数记为负数，记录如下：－4，＋9，0，－1，＋6，则他们的平均成绩是      分  答案：92解析:略  Having my passenger in my car, I just wondered how I could _____the station since there was a traffic jam ahead.A．make it toB．reach forC．speed upD．see him off