一块底面是正方形的长方体木条

为什么会有一年四季呢? 把you need not do it now .变成被动语态． you needn't do it now改为被动语态是it mustn't be done by you now吗 You needn't do it now.改为被动语态 it by you know 英语在线发音朗读怎么听不见 英语在线拼读发音Fox example ,Children's Day 里面的 ’怎么读?拼为 C－H－I－L－D－R－E－N－?－S D－A－Y ．”读为什么?我知道读单词的时候不发音，可是拼读的时候的？我一直读为C-H-I-L-D-R-E-N 一 Who is going to see John(.)at the railway station?A.of B.off C.out D.aft i'm going to see my grandma the day after tomorrow he said改为间接引语 选择：The weater report __________it's going to rain tomorrow.A：says B：say C:said 探究蔗糖的元素组成 设计实验：我们设计了这样两个实验方案：（1）将蔗糖在空气中点燃,单独点燃蔗糖,不易燃烧,但是在蔗糖中掺入烟灰,蔗糖很容易被点燃.可见,烟灰可能在此起催化作用. 英语作文,等到6：30哦,秒采纳 英语作文, 求一篇英语作文, Can you tell me where the bus stop is?的三个同义句谢谢了 海贼王Bon Voyage!歌词的翻译 flip side of the coin 是什么意思 surely the flip side of the coin merits at least some examination是什么意思 分析下面这句英语语法或句式By training your thoughts to concentrate on the bright side of things原文:By training your thoughts to concentrate on the bright side of things,you are more likely to have the incentive to follow through on yo 2.The heating system here has an ______ temperature control.A.aggressive B.intentional C.accidental D.automatic 3.The gasoline ______ destroyed the company and injured many people.A.explored B.extended C.expanded D.explosion 4.To complete the task su 英语在线等哦 childhood type as as 的用法是什么 come 应该怎么用devoted是谁的过去式worldwide production technology introduced professor produced feed November peace分别是什么意思but he cares about nothing but his researchsh是什么意思 It is foolish to cheat in the exam,when one does so,much lager values are destroyed.这个 values是可数名词呀,为啥还用much when he ()in shanghai it was raining些原因a reach、 b get c arrive d arrived when i was arrived in shanghai这句话对吗?意思是不是当我来到上海 法语Joyeux anniversaire,mon Joyeux anniversaire什么意思呢 能介绍一下Pink Floyd吗? Her fluency in English gave her an edge——other girls when she applied for the jobA.than B.in C.of D.over 空的就填，还有一个改为一般疑问句：I can draw well 【急】英语在线等. When did he ( A.arrive inB.arrrive at C.get toD.reach E.get F.arrive joyeux anniversaire