题目

All the students as well as their head teacher ____ going to the zoo this weekend.A. are B. were C. will be D. is 答案：【答案】A【解析】句意：所有学生以及他们校长这周末都将要去动物园。考查连词和时态。当 as well as 连接两个成分作主语时, 其后的谓语通常要与前面一个主语保持一致。所以本句的谓语动词与前面的主语all the students保持一致，用系动词are。再考虑时态时间是this weekend，是一般将来时，再看横线后的从东城到西城，甲要用6小时，乙要用5小时，甲、乙两人所用时间之比是________；甲、乙两人的速度之比是________；甲、乙两人所走的路程之比是________．