过滤时滤纸和漏斗间有气泡

在学习了有理数的运算后,丁老师给同学们出了这样一道题:计算:二分之一+四分之 花园里的花真多.改为比喻句急 花园里的花真好看!（改为比喻句） 公园里的花漂亮极了.《改为比喻句》 谐音英语名 这几个英语的谐音 谐音英文我弟弟,叫王剑,希望给个和中文名字接近的英文谐音名, 有没有什么英文谐音?例如：miss you miss you谐音是米修米修 honey honey谐音是哈尼哈尼 还有么? 这花真香.改为比喻句 这种花太小了.改为比喻句 My mother didn't feel very well.She was i（ ） she sings very well,()she?(don't,isn't,doesn't) I wish I_____to the movies with you last night.A:went B:did go C:could go D:could have gone选D 为什么不是had done呢?不是对过去的虚拟么?还有如果是现在时 去掉 last night的话 能不能是I wish I went to the movies with you. 现在完成时中have been in 和 have gone to 有何区别?1#：是have been in 不是have been to。 I wish that I ( ) to the concert last Friday. A. could go B. could have gone C. have gone D.went这道题应该选什么?求详细的讲解 1.She can play the piano very well now.(保持原意不变） She____ ____to play the paino very well now.2.l am taller than any other boy in my class.(保持原意）l am ____ _____boy in my class.3.We should take good care of the plants in our scho She play the guitar very ____是填good还是well为什么那个打错了,应该是she plays. 改为一般疑问句 she has two tennis rackets I can play vollerball very well 春天花朵开放了(改成比喻句) I feel not very well.d的问句我写错了应该是：I feel not very well.的问句 she does not know London very well中的very well怎么理解,能否给我详细解释下! 请问：“She does not know London very well,如题. 根据答句写出问句 ________________?I feel not very well. 1.He does not feel very well (同意)He ()（）very well what did you do last night?I___to the movies.____there many people there?what did you do last night?I___to the movies.____there many people there?yes.most of them ____young people.how did you ____ the movie?very much .it was very interesting .and i _ 海边的 英语怎么说（一个以S开头的单词） Rita (wear) a blue dress last night?Yes,she .给括号里的动词变换一下形式,使句子变得通顺. 动词变化的对不对(Did) Rita (wear) a blue dress last night?yes she (didi).括号里的词变化的对不对?为什么wear不变化?用did提问,一定用did回答吗 Do you know Betty very well?Yes,she and I____friends since we met in He fei last summer?A：have made B：had become C：have been,说一下理由, i wish that i _with you last nighta.went b,have gone c.could go d.could have gone这个与过去事实相反不应该用过去完成时had done么为什么选d? RT,求R开头的褒义形容词 Lily doesn't know how she can cook nice food.（通义句） Lily doesn't know____ ____ ____ nice food