艱難

关于反映家庭、社区和校园文化生活、展示城市农村新风貌、讴歌校园文明新风尚的作文是什么意思,应该如何写（声明：不是写出来一个文章,而是告诉我是关于什么的,如何入手,举一个大致 用老虎的屁股 摸不得造句 冰种黑曜石、福州哪里有卖黑曜石、黑曜石 黑曜石怎么净化 我想买条黑曜石手链,如何鉴别是否真正的黑曜石? 世界上的五大洲用英语怎么说? 哪里有卖黑曜石?黑曜石到哪里进货比较好? 黑曜石长期佩戴好吗 cause of、because of的区别 because of与because的区别我只想知道为什么because of后能跟宾语从句?就是这道题：He realized she was crying____what he had said.为什么填because of而不填because? whether he is right 之后要加 "or not"吗? Making the right choice ,Make the right choice这俩哪个对 什么时候开头要用动名词 The patient was not ____ whether he was all right.填什么 Whether you miss me or not,whether you love me or not.Love is right there,without coming or going,w 245.如图所示,质量为M的车静置在光滑水平面上,车右侧内壁固定有发射装置,车左侧固定有砂袋,发射器口到砂袋的距离为d,把质量为M的弹遥丸压入发射器,发射后弹丸最终射入砂袋中,求这一过 如果有两根弹簧,他们中间是一小球,第二根底下还有以质量相同的小球问：剪断第一根弹簧,小球怎么运动?发重题了,上面题不做题：如果是一个不光滑且底面有轮子的斜面斜面上有一小球问 三角贸易在历史上持续了400多年,它带来了哪些影响?那对美洲的影响呢？ 12CrMoVG合金管的材质是12CrMoV,那么“12CrMoVG合金管”中的G代表的是什么意思?另外钢号为15MnVg、14MnMoVg中的g又是什么意思呢? 合金管材料说明1%cr0.5%mo,具体含量是多少,对应的材质牌号是什么? be sure 和be sure of 的区别 Just wait for the one time.Maybe there will never be the one. 三角贸易出现的主要原因有哪些? Just meet the right person in the right time,I will be 三角贸易主要发生在哪 The flow of time will never come,just like we experienced many vicissitudes of the face could not find the back of the once green.翻译成中文? 求三角贸易主要经营者 三角贸易对非洲和欧洲分别产生了什么影响 Devoted to the cause of chanese education,he was expected by all of us为什么用devotedthe cause of在这里什么作用整句怎么翻译 He has devoted all his life to education.He has devoted himself in education all his life.这两句句子有错吗?有什么区别?试分析一下成分. admire him for his devotion to the cause of education. 请问句中the cause of 怎么解释.谢谢. Miss Zhang devoted herself to the development of education,____led to her final success.A.that B.which C.so that D.so Miss zhang devoted herself to the development of education ,__led to her final success填什么呢选项有that which so that so