自然生态系统类型

有么有既押韵又有拟人修辞的提示牌?还得是保护校园环境的! 教师节祝福语 有对偶 比喻,拟人的修辞等 额···是这几种修辞混在一起，组成一段话。 拟人修辞和拟人手法的区别 为什么声光控的开关关不了节能灯?关了之后灯管会一直闪···没有完全关掉 拟人修辞的好处 用拟人的手法写关于楼梯的提示语 两题英语改句,1、None of the students put up their hands expect Tony yesterday(保持原句意思）____ Tony ____ his hand yesterday.2、Who cleaned the classroom for us last Friday?(改为被动语态）By ____ ____ the classroom cleaned for The man ran as fast as he could.(保持愿意） The man ran as fast as_______. 两题英语改句1.There is little snow in Shanghai in winter.(保持原句意思）It ______ ______ in shanghai in winter.2.Great changes have taken place in my hometown in the past few years.(保持原句意思）______ have ______great changes in He ran as fast as he could= He ran as ---- as ------ 同义句the runner ran as fast as he could in the racethe runner ran _____ _____ _____ _____in the race 1.He ran as fast as he could _____ to catch the early bus.A.to hope B.hopeC.hoping D.hoped2.Everyone in our class was working hard and doing what we could _______ a good college.A.enter B.to enterC.entering D.entered第一题选C,第二题选B,为什 Jim ran as fast as he could___the othes.A.as to catch up withA.as to catch up with.B in order to catch up with.C so that he caught up with.D to be caught up with. 英语的,很简单的改句子①.These are photos.——画线的是部分是：photos（对画线部分提问）②.Her father and mother are both workers.（改为同义句）今晚就要,急…………好的加分! 一道英文改句,many countries have made new laws.they went to fight pollution.many countries have made new laws so fight pollution.问号为两个填空 一句英语改句We'll say goodbye to him at the airport.We'll ____ him ____at the airport.（保持原意）The recitation was kind of boring and I liked the cross talk better.The recitation was ____ ____ and I preferrde the cross talk.(保持原 五十首古诗!有古诗词! 甲、乙两港相距280千米,一搜轮船从甲港使往乙港用了9小时.返回时多用了2小时.这艘轮船往返的平均速度是多少? 已知数轴上一个数到原点的距离是根号7-根号3,求这个数 中国传统伦理文化的世界意义我导师给我留的问题. 已知,在△ABC中∠B,∠C 的角平分线交于点D,过点D作EF//BC交AB于点E,交AC于点F.求证BE+CF=EF (△ABC的面积是a)如图②,延长△ABC的边BC到点D,延长边CA到点E,使CA到点E,使CD=BC,AE=CA,连接DE.若△DEC的面积为S2,则S2=（ ）用含a的式子表示 一种冰箱包装箱外形是长方形,底面是正方形,其高为1.5米,体积为1.815立方米则底面正方形的对角线的长的平方为 英语翻译大概意思是：给我多少钱（工资）,我就做多少事,别整天抱怨我做的不够好. 一堆草27头牛可以吃六天23头牛可以吃9天那么21头牛可以吃多少天 有一些草,如果有27头牛,6天能吃完；如果有23头牛,9天能吃完.那如果有21头牛,几天能吃完?草不生长 一个关于增根的数学题http://hiphotos.baidu.com/%CC%EC%CC%EC%CA%FD%C7%AE/mpic/item/84eed5c28a83a3380ff4775f.jpg在这 这个太小了 1.若方程x-3/x-2=m/x-2有增根,则m的值为?2.当k=（ ）时,方程k/x-1 + 3/1-x=0有增根3.若关于x的方程m/x²-9 + 2/X+3 =1/X-3有增根,则增根是多少?并求方程产生增根时m的值4.0.1206nm用科学计数法表示为（ ） 一道关于增根的数学题若关于X的分式方程：1/（X-2)+K/(X+2)=4/(X^2-4)有增根X=-2,求K.我也算出K=-1,但把K=-1代入原式化简后,等式左边和右边都是4/(X^2-4),感觉有点不对劲. 求一关于增根数学题的解若6/（x+1）（x—1）—m/x—1有增根,则它的增根是? 一个长方体的底面是一个正方形,它的侧面展开是一个边长是12厘米的正方形,体积是多少立方米? 怎么样把一个声光控开关改成为光控开关?我想把一个声光控延时开关改成为不带延时的光控开关,