圆的切线的性质和判定

Mr Green is___ ___ ___ a meeting（考虑开会） I___ ___（做Mr Green is___ ___ ___ a meeting（考虑开会）I___ ___（做完）my homework at 10：30last night we are having a meeting,what is up?sorry,i --------it 组织培养对植物的生长有影响吗我想了解组织培养出来的植物会不会比之它的本体长得好,比如说土豆,它的产量会不会提高. 错字别字区别什么 “蔚”字做姓氏读什么?我们年级有个同学叫蔚少波,全年级的同学都叫他yu（二声）少波. 安防监控系统由哪几部分构成, “蔚”字怎么读 请教一下,（蔚）的文字解释 安防监控系统设备大概分几部分? 如何判断集合相等?比如说又俩个集合为什么说,是奇数集合就相等呢?是否有这种关系?补充，1 M=|X|X=2K-1,K∈Z| N=|X|X=2K+1,K∈Z|因为M,N是奇数集合，所以相等。是否有这种关系？ 冷英文怎么写 冷英文是什么 这个冬天真冷英文RT英文怎么说! 与.一样冷英文怎么讲 与…一样冷英文 excellent的比较级 新概念第三册第七课中的一句话Dogs,it seems,love to chew up money!个人认为这是应该是强调句,正确语序应该是It seems that dogs love to chew up money.可是调换语序that就可以省略了吗?心里没底哦! just 原题：Behavioral research discloses that human relations at work are just easier 1.leave you bag here,please .we have to check( )before you get on the busa.what it is in ..b.what is in it2.ten years ( )a long time for mea.is b.are .c was d.were说明吖 （1）根据下面的句意,填上合适的疑问词.①：( ) happened to Danny’s tail?②：( )is Jenny?She’s my sister.③：（ ）are you form?I ’m from China.④：（ ）is your mather?She’s all right.⑤：（ ）class are you in?I 快!帮忙解决英语题目 there are ___(百万）of reasons for me to stay here （the house,built,live,in,we)20 years ago. 我们住在20年前被建的房子里 他给我看了她在京都拍的所有She showed me(took,the questions,she,all,in kyoto）排序不是the questions是the pictures it's the house___i live for 2 years..用THAT?是因为LIVE是不及物+介词=及物,就缺少一宾语（我所说的是live for ）这样看不对吧?i live for 2 years能单独成句,所以用THAT/WHICH么? 可是在定语从句中,缺成分要用 Very reluctant,but there is no way bound to this... It is hoped that the two countries will settle the problem in a peaceful way. 小冷用英文怎么拼写 it is the present situation in poor areas that provides for much higher spending on education and t这句话中的that代表什么?我怎么看不明白这句话的结构. excellent,fantasic这类词可以修饰名词吗?fantasic action movie这样的说法合适吗? 英语语法和词语问题：excellent works by Chinese artists此句中的by作何解释啊?对应字典里面的那个意思? oppoA105K手机左上角有个人头什么意思 相机套头什么意思