变色龙会咬人吗

把一个底面周长的25.12cm,56cm的圆柱形钢材铸造成横截面是边长5cm的正方形的长方体,能铸造多长? 汉字发音 chán谁知道chán的发音有几种字啊?没什么了 要锻造一个底面周长为62.8cm,高15cm的圆柱形零件,问需要截取底面周长是4分米的正方形的方钢多少厘米长? 德语中ch发音Ch什么时候发k?什么时候发xi?看到有资料说位于句首,外来词.但是China和Chaos中ch发音也不同.这个需要见个记个么 把一个底面周长的25.12cm,56cm的圆柱形钢材铸造成横截面是边长5cm的正方形的长方体,能铸造多长? 形容一个故事很长很乏味用什么词 he can't __the bookcase into the reading room.怎么填空呀?选择:take carry bring fetch May I ____ these books outof the reading room?No,you can'n.A.bring B.catch C.take D.put选哪个? ---Can I take the book out of the reading-room?---_______ you can't1.I think2.I'm afaid3.I hope4.I believe you can't take my________(magazine) out of the reading room 连词成句（英语）take,any,you,magazines,the,reading,can't,out,room,of 关油扩散泵后多长时间再关机械泵?为什么? 形容个性的词有哪些一楼的回答有什么玄机么?是求起名字的问题吧. ----Are there__cats in the room?----Yes,there are__ A;many any B;some many C;some any D;any some----Do you know everyone from Class one?----Er~I know some of__ A;they B;their C;theirs D;them Are there ___flowers behind the room?No,there aren’t ___.A.any any B.any some C.some any D.两个some There are a table and some chairs in the room句子改错 找错误 there aren't some desks in the room There aren't ____ windows in this room.Are there ____ in your room?A.some,any B.some,some.C.any,any 要铸造一个底面周长是31.4厘米,高7.5厘米的圆锥形零件,要截取底面边长为5厘米的方钢多少厘米? 要锻造一个底面周长62.8厘米,高24厘米的圆锥形零件,应截取截面边长为4厘米的方钢多长? 真空泵（机械泵、罗茨泵、油蒸汽扩散泵）缺油运行会有什么结果?只是影响抽真空的速率和真空度吗?还是还有别的影响?能举一些你们实际应用中出现的问题吗?求大神们告知一二.谢谢 要锻造出一个底面周长628厘米,高24厘米的圆锥形零件,应截取截面边长为4厘米的方钢多长? 要锻造一个底面周长是31.4厘米,高7.5厘米的圆锥形零件,要截取底面边长为5厘米的方 要锻造一个底%块块快! 要锻造一个底面周长是62.8分米,高18米的圆柱形零件,应截取底面边长为3米的方钢多长? 用所给动词正确形式填空 1.Let's ___ (take) the chairs to the room.2.he ___ (write) four letters to his wife every month.3.rose ___ (learn) english for about two yeas.4.tom ____(play) basketball with jack an hour ago. Let us _______ (take) the chair to the room. room,everything,the,live,to,take,let's let her ______(help) the little boy ____(take) the bag to clean the room 谁知道形容声响的词语啊?有谁知道形容声响的词语啊,(要三个，而且是四个字的） 甲乙两人分别从ab两地出发相向而行出发时他们的速度比是3比2他们第一次相遇后甲的速度提高了20%乙的速度提高了3.30%这样当甲到达b地时乙离a地还有14千米ab两地相距多少千米 甲乙两人分别从AB两地同时出发,相向而行,出发时他们的速度比是3：2,他们第一次相遇后,乙的速度提高了30%.这样当甲到达B地的时候,乙离A地还要14km,AB两地相距? 甲乙二人分别从AB两地同时出发,相向而行,出发时他们的速度比是4:3,他们第一次相遇后,甲的速度提高了20%,乙的速度提高了30%.这样当甲到达B地时,乙离A地还有5千米,求AB两地的距离.