题目

用适当的代词填空 1. Don't put your clothes here, put         away, please. 2. This isn't my skirt,         is orange. 3. I can't carry the desk.        is too heavy. 4. “Give        some bananas.” Which ones are theirs? 5. “Is this your sock?” “Let        see. Oh, yes.” 答案:1.them 2. Mine 3. It 4. them 5. me巴蜀中学的小明和朱老师一起到一条笔直的跑道上锻炼身体,到达起点后小明做了一会准备活动,朱老师先跑.当小明出发时,朱老师已经距起点200米了.他们距起点的距离s(米)与小明出发的时间t(秒)之间的关系如图所示(不完整).据图中给出的信息,解答下列问题:(1)在上述变化过程中,自变量是______,因变量是______;(2)朱老师的速度为_____米/秒,小明的速度为______米/秒;(3)当小明第一次追上朱老师时,求小明距起点的距离是多少米?
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