写一处自然景观的作文

汉语演讲比赛是什么时候?英语翻译 --When do you usually get up ever day?--_____about 6:00 am She is ofen late for school.中的IS能不能省?I am usually get up at six.中的AM是不是错的? 演讲比赛什么时候开始?翻译 设数列{an}的前n项和为Sn=3n^2-65n 求数列{IanI}的前n项和 Tn 已知数列{an}的前n项和n满足Sn=n^2-14n令Tn=Ia1I+Ia2I+Ia3I+…+IanI求Tn 已知数列{an}的前n项的和为Sn,Sn=10^n-n^2求(1)an通项公式.(2)j记数列bn=IanI,求{bn}的前n项的和Tn 键盘里橡胶垫是什么聚合物做的? Love to drink wine,originally is smiling we advise him not to drink more wine_____is good to his health.a.that b.as c.than d.so选c的话请帮我翻译下意思好吗 [ ] should not be allowed to drink wineA ten-year- old B ten-years-old C ten-year -olds D ten-years-olds I usually take a shower at five am .对at five am 提问 The workers are making such a loud noise that I can't do my homeworknoise不是不可数名词吗,为什么用a loud noise I could'n do my homework with all that noise______.A going on B goes on C went on D to go on为什么不选C? Stop __________ that noise! Can’t you see that I’m writing homework?A:make B:to make C:making D:to be making I could not do my homework with all that noise< >A.going on B.does on C.went on D.to go on （3a+5)-{9a-[6a+2-(12a-10)+2(a+1)] 助跑跳远比立定跳远远得多,为什么?腻熔?暖那壮美乐章的序曲吗?是贪恋那多情的涟奸的对联赋予了晴川阁极为深刻炎影响下,正以百倍的踊?A.增大向前的冲击力B.增大起跳时的初动能C.增大蹬 I want to make love,这么意思? I want to express a different love history.具体哦 She usually starts the day ____breakfast.A with B for C in D at填空并翻译这句话,详解为什么填这个单词, 勘测的近义词 I'm busy ______(do)my homework. Do you mind if I _ the TVa bit?Yes,I do,because I'm busy with my homework now.A turn on B turn up C turn down D turn off 我认为是C但答案却是B,为什么 Don't call me.l'm busy__my homework.a.do b.to do c.doing d./ 选什么?为什么? 混凝土是有机高分子化合物不是吧 长句变短句 塑化剂是一种用在塑胶混凝土墙壁材料水泥和石膏材料中为了削弱聚合物分子……塑化剂是一种用在塑胶、混凝土、墙壁材料、水泥、和石膏材料中,为了削弱聚合物分子之间的 小明和小方分别设计了一种求n边形的内角和（n-2）×180°（n为大于2的整数）的方案：（1）小明是在n边形内取一点P,然后分别连结PA1、PA2、…、PAn（如图1）；（2）小红是在n边形的一边A1A2上 孤岛放量是什么意思 荒岛的心只为困兽 坚持不懈的近义词 谁能具体解释一下《两个人的荒岛》 歌曲意思?