cos数学中是什么意思

“How many teacher are there in our school?"哪里错了? There are many trees in our school同义句There are______ ______trees in our school 荷兰的英文名字的来历现在荷兰的英文名字有两个,一个是Netherlands还有一个是Holland.哪个单词更官方一些?至少我在世界杯和欧锦赛上看到的荷兰英文名字是Netherlands(可能拼的不对,尽请谅解) use the subway less 造句 It's far away from here.中from要舍去吗? the monster Many students in our school can____.有swim 和piano该选哪个？ 求翻译Men heap together the mistakes of their lives,and create a monster they call destiny. Men head together the mistakes of their lives,and create a monster the call destiny. #高考提分#As the two brothers grew up together,they had their share of problems and they ____ oftenAs the two brothers grew up together,they had their share of problems and they ____ often quarrel.A would B could C might D should Americans see much of life as a race for success.For them,equality means that everyone should hav Americans see much of life as a race for success It takes being away from someone for a while,to realize how much you really need them in your life There are too many mediocre things in life.Love should not be one of them The most important contribution of technology is making life of people much easier and helping themThe most important contribution of technology is making life of people much easier and helping them achieve what was previously not possible.请问 They can swim (改为一般疑问句）还有一句He often helps his mother do the housework(改为同义句） 最后一课 为什么用尽力气写法兰西万岁 They live in water描写的什么动物 can they swim?做否定回答 问一道英文语法题目答案：37 B我要详细的解说谢谢! 问一道英语定语从句语法题Samuel survived when the car ____ he was a passenger in turned off the road and hit a tree.答案是that ,但是that不是不能和介词in连用的吗?（除了表示因为的时候.这里被隔裂了所以可以 ________number of students have gone to Shanghai.A./ B.The C.A D.An The students have to wear uniforms at school改为一般疑问句,对的加50!于2011年7月18日18.30之前答在加20! where are you going to 22：00之前作答悬赏50 求知几个问题：(1)Most students at No.1 High School have lunch at school.（变为一般疑问句）； (2...求知几个问题：(1)Most students at No.1 High School have lunch at school.（变为一般疑问句）；(2)Coffee,chocolate and co Where are you going to do I 'm going to the supermarket . Man's understanding of nature is developing .It never stays at the sane level.A.at the right time B.for the frist time C.from time to time D.all the time if you show an understanding of the nature of the organization.怎么翻译 句子it's a challenge of （man against nature）质疑括号内有这种名词加介词再加名词的结构吗?它可以算作一个名词性短语吗? They live near Ben.为什么填live的理由 where do they live? 随笔一篇（600字）最好自己创作的