完全竞争行业中某厂商的短期成本函数为STC=Q3-12Q2+40Q+5,试求

二氧化碳能与什么含有金属元素的化合物反应? 含金属元素的化合物是金属么? face face time怎么读 Mr black will always live in his students'hearts though he is dead Yin Xuemei will always live in her students' hearts no matter how long she has been ___(die) You Will Always In My Live 我姓蔡,想要C开头的英文名,本人男的 麻烦给我选一个英文名或者有更好的推荐一下.我叫舒慧,想给自己取个英文名.我选了三个 妮可、安妮、妮娜不知道哪个好,麻烦各位给我介意.或者提供一下与我名字更接近的.我24岁的了，Soph （ ）you have a dog in your family 括号里添写（ ）you have a dog in your family 括号里添写什么 一、单项选择 ( )1、—What is your brother going to be w一、单项选择( )1、—What is your brother going to be when he______?—He is going to be a policeman.A.wakes up B.grows up C.stands up D.hurries up( )2.Next year he is going to____ face As soon as she ___(arrive) here next week,she __(call) you at once.还有一题Tom got up very early the next morning ___(catch) the early bus. Lvy Tsai 这个名字好听吗?想起个简单的但又好听有含义女生的英文名,我姓蔡. What do you think____to work out this problem?A.wWhat do you think____to work out this problem?A.will do B.to do.C.will be done.D.be done应该选哪个?为什么? ipad3 face It's nice to bring some d＿＿? Susan is a name sounding nice to most American people.这里的sounding是不是相当一个定语从句which is sounding?但如果这样想整句句子就翻不通了啊> to nice love American have a say day怎么连 American cities are similar to other cities around the world:in every country,cities reflect thevalues of the culture,American cities are changing,just American society is changing.After World War 2,the population of most large American cities where adapt与adopt的区别?备考四级, adapt to 与adapt for两者怎么区别,请举例说明 且帮翻译这句话：Difficult books are sometimes adapted for use in schools. adapt to do还是adapt to doing the present situation forced us to__this policy.A adapt B admit C adopt D adjust为什么选啊 Jack became blind because of the illness,so he had to learn to ----to darkness.A.adopt B.adaptC,admire D.address 每个选项 He is the (top)student in our class 同义句 He is the strongest student in our class 同义句转换 He is ()()()()student in our class Do you want to keep pets?What's your favourite pet?My mom and dad told me that I could have a pet.But they asked me to ___ (keep away from or look forward to or take care of or work out) it by myself.And I pormised. 47、A terrible earthquake happened in that district at the end of 2004,____ many countries in the world paid close attention to this.A、where\x05\x05B、when\x05\x05\x05C、which\x05\x05D、what Grace was born in the c____ but she works in the city now. it is time for having supper为什么不对? I've been at this school for over two years .for over two years 可不可以用since over two years age