动滑轮的支点动画

The lawn-mower ____ before the grass can be cut.The lawn-mower ____ before the grass can be cutA.needs repairing B.requires to be repaired这两个选项意思不是一样的么。 the shop is far from jack school 哪儿错了jim lives on Washing street哪儿错了? 翻译：Kate's dad is getting old.She will go back home to see him whenever it is convenient 关于学习完晏子使楚的感受写一段话,不少于50字（不要主要内容,可以写,不要太多） 晏子使楚中哪几段些写的好,感受是什么 11晏子使楚的体会 请问：“贫贱有此女,始适还家门”中的“适”是什么意思?（出自《孔雀东南飞》） 三棱柱S–ABC的四个顶点都在球面上,SA是球的直径,AC垂直于AB BC＝SB＝SC＝2.求该球表面积 -I think teenagers should be aloud to make __for ourselves.-I disagree with you.I think it important to take parent's advice.A.suggestionB.appointmentC.attentionD.decision When We Llearn to treasure simple happiness Then we will be winners in life.的意思 英语翻译 We will go a long way to happiness,until the end of the. 谢家事夫婿中谢是什么意思? Parents should allow fourteen-yesr-olds to choose their own clothes.(改为被动语态） 卓别林的简介 You can do this in some language schools around the city.怎么翻译 we invited some teachers other schools be judges the contest.问号处填什么?为什么? 概括大意：A little boy didn’t say a word until he was three years old.1A little boy didn’t say a word until he was three years old.His mother took him to every doctor,but there was no use.He was healthy and bright ,so the doctors told his mo 英语翻译What is the essence of America?Finding and maintaining that perfect,delicate balance between freedom “to” and freedom “from.” Marilyn vos Savant,in Parade A few student were absent from school because of H1N1(同义句 猫吃仓鼠吗我家仓鼠丢了,邻居家有只猫,怕是小仓鼠被猫吃了.先声明一下,这猫,挺乖的怕比自己小的小狗. 儿子的老师说我儿子写的作文经常提起郭德纲的名人名言,我说活学活用,老师发脾气,怎么劝? 儿子的老师说我儿子写的作文经常提起日本演员仲间由纪惠的名人名言,我说活学活用,老师发脾气,怎么劝? 用英语介绍仓鼠、蛇、金鱼、狗、猫的特点 we will shown around the city :school ,museums,and some other places'____pther visitors seldom goWhat which Where when she is absent from the meeting,from the meeting 问的不好，例如这句：he remained faithful to his friends,其中to his friends 作什么成分？ be absent from the meetingthe是不是不要加的呢,为什么有的书上有,有的没有呢, 现在人类已经将地球破坏到了什么程度 现在地球自然资源缺少到什么程度? 科技发展快的事例,不是什么利大弊大的,就是科技发展很快的事例,比如：以前怎么怎么样,现在怎么怎么样 晏子使楚的中心思想是什么 晏子使楚 这则故事的中心思想是什么