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一道物理题:飞行器高度降低候,速度怎么变 飞机有多长,多高飞机有多大 表递进的英文单词,像so和therefore那样的 thus so therefore用法 so,therefore,as a result,as的区别及用法. therefore,thus,consequently,hence,so这几个词用法有什么不同? 什么是合成词 his name s中文 语文当中什么叫联合式合成词? 什么叫“合成词”? 地震中的父与子父亲在挖掘的具体情况加上动作心理等描写(150字左右) to,on,in,at表示两个国家领土怎样的情况 表示地理位置的时候,什么时候用in和on 合成词是什么 求1000字左右的感人故事~让人能流泪或者心灵触动的~要能催人泪下的如果不能让人流泪的话,也得有反转的结局让人非常惊愕的,最重要是心灵的触动, 动词的过去分词、ing形式算不算单词?很多动词的这两种形式是作为单词使用的,但在各种字典里却找不到,为何? 为什么单词表上只有动词原形,动词过去式,动词的过去分词而没有现在分词哪? 写出下列单词的第三人称单数,动词ing形式,动词过去式及过去分词形式 1.perfer .2.graduate.3murder.4fit.1.perfer .2.graduate.3murder.4fit.5.raise 3篇英语作文帮我写一下水平初21.What are you going to do next team?2.What can we do for the Expo?3.Something about the summer vacation 一个出自《故事会》很感人的爱情故事我在故事会上看到过一片爱情故事,很感人很感人,但我忘记了那片故事叫什么.好像是09年看到的.大致内容是这样的：有一对很相爱的情侣.可是男主人公 小学故事会-感人小故事,要感动别人600字左右,讲3,4分钟就可以了,要深深感动别人,人的故事,可以是名人的啊,雷锋的啊,普通人的啊……都行 In the past,Dad always_____(ride) his old bicycle to work. 写出下列动词的过去分词do has come take dream learn swim run like eat Vain attempts to imitate others no longer will I make.这句的语法怎么解释 It is a Japanese _________ to take off one’s shoes before entering a houseA customB hobbyC habitD customs It didn't matter that I'd made countless vicious attempts to escape.I wasn't sure how many more blows my head could take before I hit mental retardation level. he r_____ the mud from his shoes before entering the house.填啥? what should we do before we enter a house in 学了这片地震中的父与子,有什么感受,想对父母说些什么 do you know what this mean?Do you know I am looking for you?if you are born in 1987.and on December fourteenth .I want to make friends with you . so,you know what do i mean,right? not only but also 加do还是doing呢