二年级数学作业设计

像四川卧龙这样设立自然保护区是为了保护_______和具有代表性的自然环境 这是一个语法么?When.and.映象中这好像是一种语法,不确定了,你说呢?WHEN the aerials are down,AND your spirit is covered with snows of cynicism and the ice of pessimism,then you are grown old,even at 20当天线落下，并且你 关于hardly.when.的语法有关时态等问题能不能解释下?（高中要求的范围）只有这两个“公式”么？ when在句中的意思,及所起的语法作用.Most newspapers have several sections,especially on Saturdays and Sundays when the edition is longer than usual.为什么用when来引导, 翱字怎样组词 if和when的语法区别,帮帮忙呀!I often read books ______ it's raining .A.if B.because C.so D. when 正确答案是C,B和D肯定是不可以的.但A为什么不行?老师说是翻译的问题,可我还是不明白!if /when区 谁会用华泛和飞翱两个字组词或短句呀?例如才华泛滥 、展翅高飞翱翔等等 ~ 大家帮我想想哈 谢谢啦~~ what can you look in the picture?哪错了 词语补充完整凌什么翱什么 unable to get rid, He ____ French very well,so he ____ it in French.A.speaks,says B.speaks,speaksC.says,speaks D.speaks,tells 如何写出物理在生活的应用 He speaks French very well,so he says it in French. 小野丽莎的《河流》 歌词 The bad habit is always hard to get rid of.还是.to be got rid of.要被动吗 英语翻译My BoyFirst time I saw my son,I knew I was in loveBecause he was the gift I got from somewhere up aboveO wow,o yes,o joy,so joy right here in my armsHe looks at me,I can see he's showing all his charmsCan't remember what I did before I sa _____most students,she was always well prepared and never come对不起，后半句是never came to class late. I think my son's exam result is OK,but the teacher...I think my son's exam result is OK or above 80,but the teacherstill think it's bad compared with others.I think that theycarry too far.It's only middle school,not to mention highschool,I think our What's the result of my English test?You got 47 points on written exam and18 on the oral ,makingWhat's the result of my English test?You got 47 points on written exam and 18 on the oral ,making a ___ of 65. 相对论中的问题牛郎星距离地球约16光年,宇宙飞船若以匀速度飞行,将用4年的时间(宇宙飞船上的钟指示的时间)抵达牛郎星,那么宇宙飞船的速度是多少?写出推导过程. 相对论中的一些简单的问题如果假设让一个人以极其接近光速的速度远离地球,那么地球上的人看他时间会变慢,那他看地球的时候,地球人的时间也变慢,那么过一段时间他回来了,再看到地球 相对论中的小问题我们知道,如果有人在速度相对我们很快的物体里面,我们观测到他那里的时间变长,尺度缩短.但是,里面的人自己是否感觉到时间变长,尺度缩短? i have never read a more interesting one .在这句子里为什么用a ? 自信怎么形成,很自卑,如何做可以树立自信呢,家庭一般,不能喝大款比.由于自小没什么特长兴趣,不爱运动,我的兴趣就是玩网游,看小说,以及捯饬花花草草,好像前2个是比较消极的,后面那个不 It—（count）30% of the final exam.填什么?根据括号里的词（也就是所给的词）适当形式填空.救救我. 用所给词的适当形式填空 1、The test ______ (count)30% to the final exam.2、Two policemen __……用所给词的适当形式填空1、The test ______ (count)30% to the final exam.2、Two policemen ______(chase) after the thief.3、I wonde he is the Teacher Who Changed my Life 这句话对么如果不对 请改正 the shop is close________the bank. the shop is ( )close all day英语填空题,关于close的 He___in the classroom just now , he ___be there now A. heard to sing , may B.was heard singHe___in the classroom just now , he ___be there now A. heard to sing , mayB.was heard sing ,must c.heard sing , must. D.was heard to sing , may 英语翻译Now l'm.the bigger Changed in my life was.this is the most important Changed because The coach advised me to get rid of my bad habits.now I no longer stay up and jog for half an hour a day怎么读?加翻译