环己基环己烷

怎么买到 空中英语教室?我在网上购买 用支付宝的 但没收到东西 也不知道是不是该收到东西 在网上应该怎么买？ Many people commplain of the rapid ___ of modern life.A.rateB.paceC.speedD.growth请问是哪个? i dont understand what you had said中文翻译 I don't think Mary understand what you said,did she?这句子怎么翻译怎么分析呀? u don;t understand what i said I'm afraid (that) you don't understand what you said. Advanced Materials Research被什么数据库收录 Advanced Materials Research 属于中国的核心期刊吗 Advanced Materials Research期刊号和影响因子 Advanced Materials Research到底是什么期刊我在图书馆的EI检索里面检索不到该期刊,但是该期刊上的论文却有被EI收录的,engineering village上面能查到 advanced materials research doi:是什么 He often helps me with my English.改为同义句 he often helps _with_english1.He often helps ____ with ____ english.（ ）A.her,her B.she,her C.her,she D.she,she2.“Are you ____?”“Yes,weare _____ brothers” （ ）A.twin,twin B.twins,twins C.twins,twin D.twin,twins3.Are ____ in the same cla my father often helps me with my English ____he is quite busy.A. if B. however C. although D.because He often helps Me with my English.改为一般疑问句. I____ don't understand what you said.A. stillB.yetC. already D. alsostill 用于肯定句,yet 用于否定句,可此题为何选A 我的电脑键盘上的那个小数点符号用不了了怎么办?其它键可以用的. 键盘符号[小数点]请问：小数点这个符号在键盘的什麽位置?怎样才能敲出它? 用棱长是一厘米的小正方体木块堆砌成一个棱长为一分米的大正方体木块,需要这样的小正方体木块多少个? 用棱长一厘米的正方体小木块,拼成一个较大的正方体,至少需要多少块小木块 去新加坡要什么英语水平?雅思还是托福? He promised to come,but actually he didn't a_____. Hello!My name is Sandy White,this is my family.My father's name is Tom White,he's tall and strong,Hello!My name is Sandy White,this ___my family.My father's name is Tom White,he's tall and strong.My mother's ___ is Sally White,she's slim ___beautiful 记性不好怎么学英语 想从从零学英语但记性特差只认识字母不懂音标,感觉最困难的是记单词很难,我记数字、字母等抽象的东西很难.记单词有什么窍门吗? 我想学英语可什么都不会该怎么办呢 而且我记性又超级烂的 怎么样学英语,记性不怎么好 饿... a majority of people seem to prefer watching games to playing games.大部分的人似乎都喜欢看比赛,而不喜欢参加比赛.这里在哪体现的不喜欢中的不啊? with great efforts of the peace-loving people all over the world ,Irap---the warA.survived B.survived from C.survived on D.survived to The war was started to _____ the rights of the people.a)maintainb)affirmc)sweard)witness选哪一个?为什么? Shall)he come to see you?- yes,and I'd rather he (told) me the truth,为什么填shall -(Shall)he come to see you?- yes,and I'd rather he (told) me the truth.讲一下括号里为什么这么选吧括号里是答案 我没有看错~