求证sin^3α(1+cotα)+cos^3α(1+tanα)=sinα+cosα

It ‘s time for have some rest这个病句怎么改 英语if 用法if i have time ,i （will） see itwe will give you a good price if you are thinking of buying it我只晓得主将从现 这两个没见过 说下怎么用的 有没有主现从将 或者前面是将来时 后面也是将来时英语 英语中if的使用方法 英语中if的用法当表示 如果 时表示 是否 时等等 都怎么用啊 中文的意思.apple It's time to have a rest.改为同义句 It's time for us _____(have)a rest 有关nothing,none的选择题The waste from the paper fatory has poisoned all the fish here to death ;( )is left.A.nothing B.no oneC.noneD.not anything还有,none和nothing的区别请详细说一下啊! 请详细说明理由(什么时候用nothing和none,说得通俗易懂一点）1.How many girl students are there in that class?____ .2.They wanted to buy some flowers to decorate the school gate ,but there were _____ left in the flower shop .两题 我是个美国男孩翻译成英文 有个英文歌,男的唱的 中间唱有“nothing,nothing,nothing”谁知道那叫什么歌?谁告诉我啊!很急呀!是不是很老的歌.美国佬的! Are you stress out each time you have a test?原文及翻译 翻译成英文 有几个男孩和女孩 目前有几个 none和nothing有什么区别 每当考试时你会紧张吗?Are you ( )( )each time you have a test 几道英语题目 快快快1______many pictures A:did you tookB:what did you takeC:why you took soD: DID YOU TAKE 2____her legA:hoe she brokeB:hoe did she brokeC:how she did breakD:how did she break 4. he fell asleep during the movie______A:while h Apple的中文是什么意思?. 天气预报黑色是什么意思 天气预报黑色什么意思 在一个句子里可以用两个there be吗? there are some books and there is a phone is on de desk. 是不是错为什么?请讲的详细点、普通点 我是一个小学生 说的太麻烦听不懂 先谢过大家了. 一般现在时,将来时,过去式,正在进行时的结构是什么 There is some food to eat 中不定式在句中起什么作用? The house is worth 270000 yuan 这句话的一般现在时 一般将来时 （将要和打算） 正在进行时 一般过去式还有现在完成时!求速度!谢谢抱歉，还需要一般疑问句！谢谢 求速度啊 There are some trees on both sides of the road(改为同义句)There are some trees on ( )( )of the road.两单词 apple汉语意思是什么? It is in a city or in a town.There are some shops and houses on both sides of it.先告诉我这句话是什么意思.然后猜出这是一个什么东西.帮帮忙吧! Perhaps there is an element of truth in both these pictures.为什么 both these pictures.而不是both of these pictures. lowering some of the risks.翻译,并语法解释为什么要用some of the risks.能不能直接用some risks.为什么? 不平凡的自己用英语怎么说 我相信我不平凡!用英语怎么说? “不,应该是不平凡的一个月”用英语怎么说? 一支不平凡的圆舞用英语怎么说?求其所写,感激不已!多给几个好听的缩写名,几个诨名啦?都可以最好用 那个不平凡也可以改改，只要好听，就行！那个是缩写，不好意思 打错了。呵呵