镁和氯气反应

The key to good water jet performance lies in producing a fine jet of water under high pressure that can cut materials precisely.请问这里的key怎样翻译比较好?最好能帮忙翻译整句话,water jet在这里是指水切割.fine在这里怎 smart strict tall active fatyaoming is a besketball piayer heis( )tom is good at math he is very( )our principal is mr wang he is( )my sister is a singer she is very( )zoom has to eat vegetabies he istoo( ) 我的女人英语怎么写知道的说下,谢谢 为什么我安装的microsoft office 2007只能属于英文不能属于中文呢? He suggested the boy ( )more exercises.如果the boy是代词的话是不是容易选很多括号里可以填什么do和to do都可以吗 如果the boy 改成me是不是只可以填to do啊. Our school is nice.(否定句） Tom runs as fast as Mark.改同义句Tom____ ____ ____as Mark. boy的前面加an还是a an active boy翻译 What a active boy!这句话对吗?为什么用a不用an? wang bing a_____plays football with his friends after school.2.today is the t______of september.teachers'day is coming.3.wonen' day is on the eighth of __________. wang bing is asking Mike about his National Day holiday （一般疑问句,并作否定回答） The Christmas present was Elizabeth herself ,wasn't it 如何回答 don't forget to take these__________（选择题）Apieces of medicines Bpiece of medicines Cpieces of medicine Dpiece of medicine the ghost of christmas present是什么意思 sucks for you 求解口语中意思 谁有Protons,Neutrons,Electrons这首歌的歌词?它是The Cat Empire的 出自专辑Two Shoes 英美概况里面是怎么解释1,the nucleus famly 2,DIY i feel you 额额额额 I feel you man和I hear you Can you feel me man为什么经常说啊 Nucleus plus "Nucleus"是什么意思?ESPrit又是什麼意思? Nucleolus和Nucleus的不同都说是细胞核,上课老师讲也没太明白有什么不一样.（美国上9年级的）大哥大姐帮帮忙啦 Neither I nor Jack_____the book yet 根据首字母补全单词.Did you e___go to the new shopping center,jack?把间接引语变为直接引语.1.Mary said dennis wouldn't come because he was ill.2.he told me not to do it again.3.he said his parents weren't going to the party with the Either Jack or the driver和Neither Jack nor the driver 哪个是表示杰克和那个司机都不的意思? 目疾求医是什么意思 the aging process is not entierly determined by her edity ,but is influenced by .the aging process is not entierly determined by her edity ,but is influenced by different environmentation and social circumstances.想问下此句中的but做何解? how much of what jourmalists do is determined by the process and contexts ()the evening,()dinner table.a.on in b.in at c.in on d.on with 选什么?为什么? 1．The parents rushed to the school,only ______ that their son had left without a word．\x05A．to tell\x05B．to be told\x05C．being told \x05D．having told