一束光通过两个偏振化方向平行的偏振片，透过光强为I1，当一个偏振片慢慢转过角时，透过光的强度为I1/

中国传统民间艺术种类都有哪些? 英语翻译这要写成英语作文的,现在中学陪读现象兴起,其实不好.这种现象的起因可以理解.可怜天下父母心,家长们望子成龙也是人之常情.且可以起到一定督促作用,但对孩子的过分关心、保护 江西有哪些独具特色的民间艺术? 英语翻译我的弟弟叫汤姆.他每天很早起床,他十分的喜欢看书,几乎每天都要看1和小时.有时候还陪他的爷爷看电视…………我的弟弟这篇英语作文的大概内容是这样,但是懂的人,请帮我在阔张 中国民间艺术有什么特点 描写春风的古诗句 最强的春风可以用什么诗来形容 9字火星文怎么写 夜字火星文怎么打 she went on holiday after she had taken the examination Barbars____her jewelry when she went to holidayA took B bought C hid D saved 翻译1.she went on holiday after she had taken the examination2.did your wife go out?yes,but she finished the housework first.she had finished the housework before she went out3.we had had dinner before they arrived His father will be back from London ____ a few days. My father went to Shanghai early this morning and he will be back in two days.He （）be at home nowAmay not BcannotCmust notDwill not 跪求4级英语词汇的下载! i will spend 3 days in shanghai 对in shanghai提问 首字母填空My father will take us to his o__in Shanghai.My mum says that Shanghai is big and b__. .She saw a lot of smoke coming from （next door）对括号里的提问 we saw a lot of fish in this river.（3种方式）同义句 a lot of fish fish要加复数吗? He will come back in ten days （对in ten days画线提问） I will back (in ten days).括号内的提问句( )( )will you back? 1.He will be back in ten days.空空空he be for?2.These visitors stayed here for half a month .空空空these vistors 空 here 1、下面是几个大洲气候类型沿30°N的分布.亚洲自东向西依次为：亚热带季风气候、高原山地气候、热带季风气候 热带沙漠气候 地中海气候非洲从南到北为：热带沙漠气候 地中海气候北美洲 什么是高原季风?高原季风是单纯指青藏高原附近的季风么?黄土高原上的季风属不属于高原季风啊? 帮忙找一本记高二英语单词的书我上次在新华书店看到了一本小书（小本子,方便携带的）,这本书是关于记单词的（高二上的英语单词）它的内容是这样的,比如说第一单元的第一个单词是comm she does a lot of housework .如何改为否定句我想知道,把这个句子改为否定句.需要什么语言点比如a lot of 如何变否定呢 .如何改为否定句she does a lot of housework..如何改为否定句she does a lot of housework.好着急哦 she does lots of housework 对划线部分提问：She does the housework ai home对ai home提问 we will fly rockets to the moon .(同义句转换) we will _____ _____ to the moon one day. peapie will fiy to the moon one day.改为一般疑问句并做肯定及否定回答.注 peapie改为people fiy改为fly 嘻嘻 回答对了我赏50分 江