石墨可做润滑剂的原因

《桃花源记》读后感怎么写? 桃花源记读后感500字 怎么在word中统计某个文字的字数 word文档如何计算字数计算字数 怎样统计word文档里的字数 WORD文档字数计算,是以字数统计中的哪个计算?急 我想要一份题目为《做助人为乐的志愿者》的英语演讲稿,现在上初中,演讲比赛要用, 求“做一个助人为乐的志愿者”英语演讲稿做一个助人为乐的志愿者2分钟200字左右 英语演讲稿,以Give a helping hang as a volunteer"(做一个助人为乐的志愿者)为题,200字以上 英文演讲稿——以（做一个助人为乐的志愿者）为题200词以上,最好晚上回答出来哦! 请提供关于助人为乐的演讲稿.谢谢.如果满意再加100分. 英语语法句子结构问题There is an apple on the desk.中,on the desk是状语,an apple是主语,is是谓语,那there是什么? 英语语法问题【句子结构】句子：Give it to me.此句中give是谓语,it是直接宾语,me是间接宾语.此句为S+V+IO+DO的句式.那么此句中主语是哪个词或短语? My mother was a_____with me because I didn't pass the exam咋做 The English teacher was anger because h the students didn't pass the exam中间那个h是什么单词 求7b 第三单元reading翻译拜托哦 many students who consider dropping out do so because they feel that…………里面的do so 为什么要这样用啊? It's not a good habit for students to--late because they'll feel tired next dayA stay upB go to bed Some students become worried because they_____study very hard and get high grades.A can B may Cshould Dhave to为什么是C而不是D,说下理由,帮我区别一下它们两个! ~词性分析~, , , 属于什么词性? “我们仍然难以清楚地看见每个孩子的面孔”中的清楚是什么词性?“你们必须尽力大声地唱”中的大声是什么词性?再说一下理由, 求：高二外研版英语听力mp3我下手机里,全部听力 分析这句话的词性“有时候真相和快乐并不共存”比如这句话的“有时候”是不是属于虚词一类,初高中没认真听,基础不扎实 There ----------( be) 60 students in our class last term of,at,stay,look,home,pictures,Beijing opera,I,and连词成句, There are some shops in our city 用last year 改写句子 The lazy boy didn't study hard ,so he falied the last exam.(改为同义句）The lazy boy didn't study hard,______ _____ ______,he falied the last exam. He doesn't study English hard.i ___ he ___pass the English exam.A don't believe , can B believed ,can't C believed, can D don't believe , can't谢谢 我很急 句型转换 I study hard so that I can pass the exam I study hard __ __ __ pass the exam2.He is such a good boy that I phrase himHe is so __ ___ __ that I phrase him3.My faehter had to ask a man to repair his bikeMy father had to have __ __ __4.Jane Please come and m____ my family Come and have a look at the photos____my family.A.of B.with C.to 要理由 红楼梦名句、、、