自行车中的杠杆

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奇怪的词 扒皮吧鲍照?! 什么意思 南朝鲍照《梅花落》意思 Reason后的定语从句that 与why 如何区别呢?1)I don’t know the reason why he said these words.2) I don’t know the reason that he said these words.这两句that 与why 都引导定语从句,如何区别何种情况用why ,that呢? the reason that引导从句,如何判断为定语从句和同位语从句呢She didn’t answer for the simple reason that she couldn’t think of anything to say.这句话是同位语从句,为什么?the reason why``` is because 和the reason why``` 前半部分是定语从句还是同位语从句?The reason why he was dismissed is that hewas careless.The reason (why he was dismissed )is that hewas careless. the reason为先行词的定语从句,后面的关系词什么情况用why?什么情况用that等?请举例子说明 定语从句,the reason 后,什么时候用why或 that请用例句说明. 我不甘心这样平凡的度过自己的大学 用英语怎么说 我不甘心我要做老板用英语怎么说 我不甘心用英语怎么说! 求不定积分∫√(1-sin2x) dx The air is made up of more than 70% of nitrogen(同义句)The air ___ ___ ___ more than 70% of nitogenThe air ___ ___ ___ more than 70% of nitogen(要两种不同的填法) 菜鸟只有新人的意思吗? made up of more than 10acrobatics shows 旧人不覆新人不簇什么意思 不可数名词前不加冠词吗?there must be a better way to teach our students the value of ______ life than just inviting an old professor to give a boring speechA.a B.the C./ D.an 不可数名词前不加冠词?禁止一切形式的广告行为!一楼注意! Generally speaking,what do successful people have in common?口语用题 get some coffee是什么意思 男人的大姨夫是什么 I like neither of the two books.Please showme (a third) one.这里为什么要填a third? Friends are like wine ,the older ,the better.的意思是什么? Which books are older? The red ________ (one). 急 为什么香港区辉是紫荆花的图案 ANSYS 单元 plane有厚度 和shield 单元区别?严肃求知,灌水勿扰,违者举报, 香港特区的区花为什么是紫荆花? ansys电磁分析空气厚度对结果的影响如题,我用ansys对线圈进行磁场分析,发现infin110对应的面积的大小对求得磁场大小有不可忽略的影响,请问空气层的厚度越大还是越小越接近真实情况?另外如 香港特别行政区的区花为什么是紫荆花? ansys里用壳单元shell63建模,但我抽取的不是中性面,是外表面,能否让壳单元厚度完全定义在外表面里面?ansys里用壳单元shell63建模,但是我抽取的不是中性面,而是外表面,能否用什么设置一下,让 香港的区花“紫荆花”是什么样子的?如题 给张片啊 the rapidly growing number of older adults is expected to spur job growth for therapeutic recreation specialists and recreation therapy paraprofessionals in assisted living facilities,adult day care programs and social service agencies.4623 这里 is