初中免费试题库，先看题再决定怎么练

A small boy at summer camp received a bag of cookies in the mail from his mother.He ate a few,and then put the rest under his bed.The next day,after lunch,he went to his tent to get a cookie.The box was gone. That aftern

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Some students cheat （作弊） because they\’re busy or lazy and they want to get good grades without（1）______ the time studying.Other students might feel that they can\’t （2）______ the test without cheating.Even when there se

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—I love making friends on the Internet.All of my online friends are so kind to me. — .Few of them would become your real friends.（ ）

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-What do you like doing in your free time, Joe? -I love reading and I think life without books is ________．（ ）

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—I\’m sorry I made mistake.But I won\’t make the same mistake for second time. —Never mind.Nobody is perfect.（ ）

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已知一个三角形的两边$a$,$b$满足$\left(a-2b+4\right)^{2}+|6-b|=0$,则此三角形的第三边不可能为（ ）

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综合与实践 中线是三角形中的重要线段之一,在利用中线解决几何问题时,常常采用"倍长中线法"添加辅助线. 【提出问题】如图①,$\triangle ABC$中,若$AB=4$,$AC=6$,求$BC$边上的中线$AD$的取值范围； 【探究方法】同学们经过合作交流,得到了如下的解决方法:延长$AD$至点$E$,使$DE=DA$,连接$BE$. 请你根据同学们的方法完成下面的任务: ①根据题意,补全图形； ②根据同学们的方法,可以证_____

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如图,在等边$\triangle ABC$中,点$D$为$AB$边上一点,点$E$为$BC$边上一点,连接$DE$并延长$DE$交$AC$延长线于点$F$,$DE=FE$,过点$E$作$EG\bot BC$交$AC$于点$G$. $(1)$求证:$BD=CF$； $(2)$当$DF\bot AB$时,试判断以$D$、$E$、$G$为顶点的三角形的形状,并说明理由.

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如图,圆柱形容器高$9cm$,底面周长$10cm$,在杯口点$B$处有一滴蜂蜜,此时蚂蚁在杯外壁底部与蜂蜜相对的$A$处,若蚂蚁刚出发时发现$B$处的蜂蜜正以每秒钟$1cm$沿杯内壁下滑,$3$秒钟后蚂蚁吃到了蜂蜜,求蚂蚁的平均速度至少是______$cm/s.$

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如图,已知$\triangle ABC$中,点$D$、$E$分别是边$BC$、$AB$的中点.若$\triangle ABC$的面积等于$8$,则$\triangle BDE$的面积等于（ ）

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已知,如图长方形$ABCD$中,$AB=3cm$,$AD=9cm$,将此长方形折叠,使点$B$与点$D$重合,折痕为$EF$,则$\triangle ABE$的面积为______.

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英语节 活动 故事大赛--用英文讲中国故事（举例1个） 英语角--用英文介绍单词记忆的方法（举例1个） 请补充 收获 请补充 （1）参考词汇:活动activity英语角English Corner比赛competition （2）短文应包括表格中所有要点并补充相关内容,并适当发挥,层次清晰,语法正确 （3）字数100词（文章开头已给出,不计入总字数） （4）不得透露学校、姓名等任何个人信息,否则不予评分 Dear Tom, There

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王老师是一位多么有智慧的英语老师啊! ____________Intelligent English teacher Mrs Wang is!

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到目前为止,很多人已经看过《哈利波特》这本书. ____________,many people ____________ the book Harry Potter.

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除非我们现在就采取措施,否则这种植物很快就会灭绝了. ______we take action right now,this kind of plant ____________ ______very soon.

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这本书比其它书贵,但是它是最好的. This book is ______ ______ than any other one,but it is ____________ of all.

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"Why do parents like telling us to follow their advice?" As a teenager,you may always have this question.You will feel angry when your parents （1）o ______you to do what they want you to. Parents love us so much that they

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Long ago,people made up interesting stories to explain what causes lighting and "thunder".To many people,lighting and thunder can be very frightening especially because they often happen just before a big rainstorm.Actua

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Welcome to the biggest store in Europe—Harrods! Harrods is one of the busiest stores in London.Nearly 35,000 people come to the store every day and more than 4,000 people work here. Ann goes shopping there with the help

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Once there live an old frog（蛙）.He was a big frog and he was very proud of his big size.All the other frogs saw him as their king.Even the（1）______in the river were careful not to make him angry.The frog rules（统治）his wate

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