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I don't know if she has gone to China____ (A) ?（问号） (B) .（句号）I don't know if she has gone to China____ (A) ?（问号） (B) .（句号）并请说明理由我想,是“不知道”的事情,应该有疑问,应该用问号,但是同 电脑的发展史是什么 so3-遇氯水会生成so2吗? 如何翻译.Who is wanted on the phone? It was the man who had been in prison that stole the money是不是翻译为?就是坐过牢的那个人偷了钱 We'll have a holiday.What about going to the great wall?A three days B three-dayC three-daysD three-days' We'll have a ______ holiday .what about going to the Wsat Lake A two days B two-day C two-days D two-days'It's only ____ from my home to the school A five minutes B five minutes'walk C five minute's walk D five minutes'walks 以"My Good Habits"为题写一篇80词左右的英语短文 my good habits 作文 120秒演讲 100词左右 请用Good eating habits写一篇100字左右的文章,并指出哪些是良好的饮食习惯． good habits 作文 60字 速度了还有几分钟 求英译汉!You are the only one I fell in love with do you think that it should be against the law to own any kind of dangerous pet? 这句怎么翻译?我认为是“你认为拥有危险的宠物是否应该违犯法律”但也有人认为是“是否应该违犯法律来拥有危险动物?”还 英语翻译翻译:1.It is a dangerous means of transport and the buses sometimes break down.2.It a good ideato take food and drink because there are not always restaurants or shops om the route.3.Many people sit on the roof where it is very hot in t 循环水水,水质分析的基本要求是什么?我答上了三点,化学试剂的要求纯度准确无误,分析测定的步骤准确无误,结果计算的准确无误,但是还有两点,, 在置换反应中,单质A和化合物反应,生成单质B和另一种化合物,则正确的是 A.A一定是氧化剂 B.A一定是还原剂 C.A可能是氧化剂,也可能是还原剂 D.A一定被氧化 高二化学有机卤代烃难题[i]．在过量的空气中燃尽1.12L（STP）气体A,燃烧后的生成物在27℃下全部为澄清石灰水所吸收,可得到6.95g沉淀物.此气体A的分子式为A C3H8 B CH3Cl C CH3F D C2H5Br 溴乙烷的消去反应中要产生水（1）产生了水会发生水解反应吗?（2）消去反应产生的NaBr是在水中还是醇中?用HNO3+AgNO3能检验吗?（3）溴乙烷水解反应为什么在加热的情况下不容易反应? 男生英文名,我叫高俊宇,哪位帮我取一个英文名,最好能和中文名字有点关联的,不要大众的,要帅〜. Maybe you should tell your BF that you love him very much!I think he will very happy!Wish you!翻 电影丁丁历险记中人物的英文名字是什么?还有那只狗狗叫什么 在地质图上某些岩层的互层怎么用图例表示?如题,比如页岩泥岩,粉砂岩页岩之类的 I Want to tell you,I love you ,forever .翻I Want to tell you,I love you ,forever .翻译中文 1,丁丁历险记的丁丁是哪国人?2,本书的作者是哪个人, 丁丁历险记:独角兽号的秘密,观后感英文作文100词 英语翻译别人说你失败,窝囊,懦弱都可,但是你不能对自己这么说,即便是撞到墙,也要突破他!就是这句 丁丁历险记之独角兽的秘密人物简介 请问就是在书上给你一张地形地质图,要你自己画一条勘探线然后画线上岩层产状该怎么画? If I tell you I really love you, In fact,i really care about you.just didn't tell you!really want to say "i love you!" swallow it down to say.don't have your day,the hero's you! 英语作文The Mobile phone 以"Using mobile phone is good or bad?"写一篇英语作文!