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What do Mr and Mrs Shute do one morning?AThey do some housework.BThey run.CThey go shopping.DThey sing.What can they see in the shop?AThey see a lot of food.BThey see a lot of cups.CThey see a lot of water.DThey see a lot of clothes.They go home ___Aat about twelve.Bat...
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10.如图.AB为⊙O的直径.点C是⊙O上的一点.AB=8cm.∠A=30°.点D是弦AC上的一点.动点P从点C沿CA以2cm/s的速度向点D运动.再沿DO以1cm/s的速度向点O运动.设点P在整个运动过程中的时间为t.则t的最小值是2$\sqrt{3}$s.
【题目】如图,在四边形ABCD中,AC、BD相交于点O, (1)若AB=4cm,AD=8cm,当BC=cm,CD=cm时,四边形ABCD为平行四边形; (2)若BD=8cm,AC=10cm,当AO=cm,DO=cm时,四边形ABCD为平行四边形. 试题答案 在线课程 【答案】 (1)8;4 (2)5;4 【解析】根据平行四边形的判定定理:①一组对边平行且相等的四边形...
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—___ do they visit their old friends? —Once a year. A.How long B.How often C.How many times D.How much time 查看答案和解析>> 科目:初中英语 来源:2016届初三中考章节复习七上英语试卷9(解析版) 题型:单项填空 Andy ___ chats with his friends after class because he is busy doing his...
After a while I realized I shouldn’t do that anymore, because I wasn’t really helping them They weren’t learning anything, and it would only get harder down the road. Cheating certainly wasn’t helping me. It takes courage to be honest when people all around you are getting away ...