谈谈卫生与健康三分钟

a math question in english,who can help me with this?A motel cleaner has 8 master keys at home to open all the rooms in a large motel.Each room can be opened by just one of these keys.If 40% of the rooms are leftunlocked,what is the probability that I often see the young man to walk his dog in the street 请问这句话哪里错了,I often see the young man to walk his dog in the street请问这句话哪里错了, The young man often eats some bread ()lunch.The young man often eats some bread ()lunch.A;ofB;forC;to 青天白日满地红旗与五星红旗哪个好看? We can often s__the street names and house numbers in the USA,Canada,England,but in some other c___(接上文)we can't.If you take a t___to Tokyo,the capita city of Japan,you will f___there are few street names and house numbers,but people are still Some girls often play baseball in the street.{用at the moment 代替often该写句子｝ 怎么改? is there anyone who likes to chat with me? 真理是不是事实 什么是客观真理? “没有钱办不到的事.”这句话是客观存在还是现实真理?我的一个朋友说：“金钱除了买不到生命和真感情,还没有它办不成的事.”这是他过于偏激吗?还是真的存在这样的问题? 真理是过程的是什么意思? 真理是具体的,过程的,客观的,全面的.过程的是什么意思? 什么是真理?为什么说真理是客观的? 好心人请告诉我,普罗旺斯的地理位置,就是北纬多少度,东经多少度,位于赤道的什么位置?这类的相关知识.一定要准确,要与地理有联系,好的答案再加10分 let him help me 为什么填 help? 在红纸上印字,什么颜色才是金黄色的?RGB的数值是多少? how to download ICQ?for i'd to chat with foreigner .ths How to chat with an American by Skype 关于真理在英文中从句的时态问题网上说只有宾语从句才能够真理用一般现在时,但是像什么同位语之类的从句呢?比如说 Galileo insisted on the fact that the Earth goes around the sun. 中的goes around 还是 w 英语中表达客观事实用什么时态例如：The teacher told the children that the earth______around the sun.A.moves B.moved C.was moving D.is moving 韩国人知道自己在正式场合用的是中国的汉字吗 为什么韩国人在正式的场合使用汉字那韩国人都认识汉语? She would like__a film today.A.see B.to see C.seeing D.sees 纠正韩国人汉语发音正在教一个韩国人中文 他听读都没问题 就是发音不准 个别语法有问题 怎样来纠正他呢?不想只是单单聊天 我觉得这样 教的东西很散 有没有有经验的人传授一下?是应该 韩国人说中文一些字,读音和我们不一样,有哪些特殊的字这些字他们的发音是什么 世说新语 德行中的班军什么意思 Would you like to go to a movie?可以变成 Would you like to see a movie? is this seat this foider is THIS FOLDER IS 死亡这个单词用英语怎么说 有关死亡的英文单词有一个含死亡、去世之意的英文单词,是正式而文雅的用语,一般指死于暴力或困难的环境中.请问这个单词是哪一个? I want to take her to cherish life