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一个圆形的铁块,底面半径3cm,高5每立方厘米的铁重7.8克.这个块重多少克? today＇s newspaper.为什么用所有格,而不用名词修名词.今天怎么能拥有报纸? today的所有格怎么写 please listen and ( ) the nice pictures The students have no classes on Sunday.（完成反意疑问句）The students have no classes on Sunday,（） （）?讲出口为什么这么填,顺便讲一下怎么怎么改成反意疑问句的题 have,on,Sunday,we,no,and,classes,Saturday.连词成句 we have no classes on Saturday ( ) Sunday.用and还是or?为什么?We don't work on Saturday and Sunday?这里为什么用and呢 求翻译（如没有错）:We have not classes on Saturday and Sunday.请问这句话是否有错,如果没有错,请翻译.（classes 改为lessons呢?） 哪个星球有空气 宇宙之中有空气的星球吗? 如图,OA,OC是圆O的半径,且OA⊥OC,点D在圆弧AC上,OA=1,圆弧AD=2个圆弧CD,点P是OC上的一个动点,则AP+PD的最小值是几? 填空题 1 一个正方体的棱长总和是84厘米,它的表面积是（　　　体积是（　　　）将他铸成一个底面积是49平方厘米的圆锥,这个圆柱的高是（　　） 一个正方体棱长之和是84分米,它的体积是多少?表面积是多少? 一个长方体能切成一个表面积是24和一个表面积是48的正方体.求原长方体的体积 Make up sentences with the given words.1.would,like,kind,you,of,what,soup.(?)2.large,small,one,green,tea,orange,juice,one,and,please.(.) Fill in the blanks with the words given.Then make your own sentences with the words.(talk,find out,call up,argue,say)1.Let's___Joe and invite him to play tennis.2.You should_____about your problems with your parents.3.My friend is angry with me.What Make up sentences with the given words.in,let's,the,first,the,see,penguins,zoo.Make up sentences with the given words.in,let's,the,first,the,see,penguins,zoo.1.in,let's,the,first,the,see,penguins,zoo.2.friends,like,because,cute,my,they,very,much,are, Fill in the blanks with the words given.Then make your own sentences with t(spend remember let organize take away )1.I forgot your address .I can't____how to get to your house .2.If I don't clean my room ,my mother won't____me meet my friends .3.The -What are they talking_the teacher_? -the writing competition next week.A to;with Bwith;to C to;for D to;about 连词成句.Jim,his,teacher,asked,what,do,next,to (.)comes,photos,her,me,show,she,to,family,always.(.) 甲、乙两人同时从A城出发到B城,甲每小时行32千米,乙每小时行28千米.多长时间后,甲乙两人相距16千米?要有算式哦!…… 甲乙两人同时分别从A、B两地同时出发,甲每小时行16千米,乙每小时行14千米.两人在距中点2千米相遇,则A、B两地的距离是多少? 一个圆柱的侧面是一个正方形,已知这个圆柱的底面直径是2分米,这个圆柱的体积是多少立方分米?保留整数 _______ the experiment,the students were asked to watch silently.A.Through B.All around C.Throughout D.All over那么为什么不能选A? All the student were _at the _ news .(excite)怎么做的 谁告诉下 棱长1厘米小正方体求表面积 计算露出部分的表面积,【小正方体的棱长为1厘米】 A.B两人骑自行车分别从甲乙两地相向而行.第一次两人在距乙地7㎞处相遇,相遇后,两人继续前行,到达目的地后立即返回,返回时在距甲地4km处相遇.甲乙两地相距多少km where do they hold the meeting?改成被动语态 "Where do they sell the cars?"变被动语态是where are the cars sold by them吗? Where did they grow the flowers?怎么改为被动语态啊Where _____ the flowers ______? They showed me the room where they lived如何变被动语态