隆鑫花漾的山谷二期

相对论 地球 光速!疑问?假设有一个地球A和地球B地球A假设是以现在我们地球绕太阳系旋转的速度地球B是一个以超光速的速度在绕太阳系旋转请问地球B的时间会不会比地球A的时间过的慢!地 请教相对论：关于时间膨胀：如果一颗卫星以接近光速的速度绕地球运动,那卫星上的时钟是否变慢如果卫星时钟都变慢的话,那电子以光速绕原子运动,电子的时钟也变慢了?大哥，我并不想让 1.I often play basketball问句 2.He goes to swim every sunday 问句 3.They begin the class at 8:00 in the morning 问句 I often play basketball （ ）the weekends.用at 还是on? she wants to be a writer She is my cousin.对my cousin提问 1、He wants to be a ( ).2、She wants to be ( ).3、she wants to be ( ).4、he wants to be ( ).5、they want to be ( ).6、they want to be ( ).7、they want to be ( ).8、they want to be ( ). 六年级的过去式,现在式的单词 会总,多一点. How to make a friend 的作文! 大哥哥大姐姐们,初一的我遇到一点麻烦.It is a (bike) in English (对打括号的部分提问）?it is English 英语 一般过去时要不要加be动词的过去式?例如I went to Japan last week和I was went to Japan last week 还有Yesterday I was ran at school 和Yesterday I ran at school 哪个对? be动词过去式加动词什么形态 动词过去分词前面用加be动词的过去式吗 英语题中,过去式和现在式的词该怎么搭配?大概题的意思就是 比如 I (watcher) TV yesterday evening,为什么不能是 I (watch) TV yesterday evening 呢 ? 再比如： I like (singing) very much ,为什么不能是 I like (sing) She likes singing and she wants to be a m___ she likes golfing,and he wants to be a g____ Tom likes music and wants to be a m__. 蒙古帝国和美国,哪个更厉害?蒙古帝国和美国,哪个更厉害? 请问德意志帝国的英文名称缩写是什么? 元朝时,到底是蒙古帝国属于中国,还是中国属于蒙古帝国啊?郁闷了 请问不列颠帝国的英文名称缩写是什么? It was (wonderful)划线提问换线的用括号表示 I was （at home）划线提问Did ther enjoy themselves变陈述句 We saw many banana trees变一般疑问句 元朝归蒙古帝国领导,那蒙古帝国的首都在那里? It's an English dictionary.该疑问句.三个空. It is a key a key提问对 a key 提问 现在完成时助动词have,has的用法现在完成时的基本结构是have或has+动词过去分词形式,我想问一下,have或has在没有与其他动词过去分词结合的情况下,可不可以独立在现在完成时的句子中出现作 现在完成进行时不是由“助动词have(has) + been+动词的现在分词”构成的吗 那having done是什么啊 现在完成时 have是助动词how long have you () it?应该是had为什么不是have He plays football well.He plays basketball well 合并成一个句子 He plays football very well.改同义句 He plays football well 同意句 是什么动物?