四氯化铅

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Umbrella children must work hard to run. 以足迹为话题 要求以足迹为话题,写一件可以给成长带来启迪的事 600字左右 记叙文最好是成长的足迹。 100—(32+540÷18)=38,如果先减法,再除法,然后加法,原式应该为 用18和22和40写出2道加法 2到减法 用13和5和65写出2到除法什么的8分之3是4分之3 英语翻译 we can see three _____and four _____through the window .A china,american B chinese,americansC chineses,americans D china,america You must come and bring your wife with you.你必须来,并且把你夫人也带来.这句为什么要用with you? 一句文言文是以前看到的了,不确定是不孔子说的,意思大概又是"做一件事情,如果有新做错了也没有关系,如果无心,做了也没用".文言文表述是怎么样的啊? i'd had reson enough in the last few months.如何理解last?如何理解few? at the back of 怎么用 with exams ____,it is a good idea to review your class notesA approaching B approached C aproach D to be approach I just cried my eyes 观沧海的意象是什么 观沧海 意境我不知道观沧海意思 The professor in the end decided to give the prize to ______ he believed had a good command of English.A.who B.anyone C.whoever D.whomever为什么不选D 是因为不能在后面的句子中作主语吗? ___at my classmate"s faces ,I read the same excitement in their eyes .A looking B look C to look D looked 应该选什么,为什么? 观沧海这首诗表达了诗人怎样的心态? 有哪些是ABAC式的词语(B和C必须是近义词)? abac型(bc是近义词)(是成语) ABAC式的词语,索性,吞噬的近义词 是ABAC的成语还是有一对近义词的成语 i give a new Give me a new will, i can find a way.Give me a new will, i can find a way.是什么意思·啊··急·· 写四个含有近义词的成语(ABAC)如可亲可敬) ①He likes (driving ) ②She(enjoys jogging) ③Ther (love playing foodball) ④(She )hates playing the piano 改为否定句 疑问句 根据括号内提问 . I_____you_____to give the new robot a tryAhope,/ Bhoped,will choose Cexpect,/ Dexpected,will choose ABAC(AA近义词)成语(急) 如:三心二意.如题 he likes driving 后加f开头的什么单词 English Presentation我现在急需一个English Presention 的主题,有内容更好! 有没有ABAC型的词语 而且BC还能组成一个词语的 网状纤维做什么用的 下列对观沧海理解有误的一项是()