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帮忙区别下列词语是单纯词还是合成词~达人进痛快　认真　房间　革命　照明　参差　飞快　解剖　石林　开关　吩咐　领袖　雪白　工人　猩猩　桌子　木头　葡萄　戳穿　司令　丝毫 重读闭音节 重读开音节 单词各50个. 时态变化I was reading when someone knocked at the door.在该句前加I said,那么,时态应该怎么变呢? 改变时态将下面内容换成一般现在时：It Is Out Too One cold day,a friend of the Browns' went to visit them.The maid stopped him at the door.The friend asked,“Is Mr.Brown at home?” “No,he has gone out.” Replied the maid.“Is Mrs “漂亮”是合成词还是单纯词 该来的不来,不该来的来了,该走的不走,不该走的走了,的由来? always stay out of your comfort zone.翻译 请问一下句子括号部分用过去时与过去完成时有什么区别?翻译时有什么不同呢?To my surprise,he held up a book,The Collected Works of Edgar Allen Poe,and asked if anyone 【read 】it.To my surprise,he held up a book,The Col 关于时态问题The birthday child with his eyes covered then_______(try) to hit the animal with a stick untill it bursts open. 能给我发一下we will be okay----bb.boys吗? sUCH AS和like的区别 第四题 溪岸小学开展“如何实施高效课堂”教研活动 said Tony与Tony said翻译“托尼说”是不是两种方式都行?能解释一下其中的知识点吗? We Will Be Okay we will be okay mp3完整版 f677379@foxmail.com 39．已知不对称烯烃与HX（卤化氢）的加成反应如下：R－CH＝CH2＋HX--->R－CHX－CH3 生成的一卤代物在一定条件下分子内脱去HX的反应如下：R－CH2－CHX－CH3-NaOH醇溶液->R－CH＝CH－CH3＋HX有机物A在 He insisted on going there insist on这里是不及物用法,那insist用在及物中,是不是,都是that 1、在绝热的定容容器内,发生反应：A（s）+2B（g）可逆符号C（g）+D（g）,当下列物理量不变时一定能作为此反应达平衡的标志是A.混合气体的总物质的量浓度 B.混合气体的压强 C.混合气体的总 The pen which l bought yesterday is cheaper.拆分成两个句子 he bought _____ vase yesterday .A.a big new yelllow .B,a new big yellow C.a yellow big new可我觉得 应该是A呀, He bought a computer yesterday.(改为否定句) 帮我猜一个听力词汇类似于这个发音：race fer ration 有几道关于非谓语动词的题想拜托大家给讲一讲!1.Whom would you rather have 空 with you, him or me ?A to be gone B gone C going D go 为什么不选C啊2 A phone call sent him 空 to the hospital .A hurry B hurrying C to hur 谁能用最普通的话给我讲讲非谓语动词的用法,能系统讲一下么比如这些题：只是举个例子,______ from the top of the TV tower,you will find the city far more beautiful at night.A to see B seen Cseeing D see 小学六年级品社知识要点如何把握? Me. Brown didn't live there any longer. 改为同义Me. Brown didn't live there any longer. 改为同义句Me. Brown ___ ____ lived there.We were surprised that he won the first prize in the English competition.改为同义句___ r这个音到底怎么发啊? 怎么发r和l音 R&B 的 ＆发什么音 I live as happily as before 翻译 着急出去,雅思口语和阅读不好, 给点非谓语动词的讲解吧B级难度啊