π键怎么形成

This is my last week at school before the summer holidays.today we had a maths lesson.I'm good at it.so it wasn't too___for me.After that,we had a geography competition.Our teacherasked us questions about different parts___the world.My team won!tomor My idea is ____(that,which)we can do without them.为什么不能用which?只能用that the fourth lesson __we are to learn is much more difficult than the lesson __we learned last week定语从句填空 英语错题, 成语故事鹬蚌相争 的鹬蚌各是什么东西啊? 鹬蚌相争这个成语故事的深层意思是什么? science 的问题~ need help 快~~~amount of charge electroscope attract increaseconduction inductioncontact forces law of static charge decrease All of them are American?这句话错在哪里? note用中文怎么读 等于9220和galaxy note是同一款是吧,galaxy note怎么发音读 I live in the capital of Hebei---Shijiazhuang这个句子对不对昂```? Please don't make me cry My aunt___ (live) in the capital city of Shandong 歌词中有please don't cry的歌是个美国乡村歌曲 在英语中,为什么同样的字母读法不一样,有什么方法可以区别?我说的是同样的字母,或者两个字母,会有几个读法,我一直不清楚什么情况念什么音标,有没有什么规则遵循? 日剧的英语读音为什么不一样?为什么在日剧里的fight 读起来跟我们学的不太一样 像fight(al)一样的 而且别的英语读音好像也有不同. How do you find the Summer Palace?(同义句) ________ do you ______the Summer Palace? --how do you find Buckingham Palace?--Very marvelous. I it twice when I was in London.A. had visited B. have visited C. visited D. would visit请问选哪项啊 huge big large的用法与区别谢谢了, National Day of the RPC是什么节日? please don't cry谁帮我翻译一下 bird和boat同发音吗? note怎么发音 (语音) 红米NOte怎样发音 英语翻译Since traffic log is sent after session is terminated,it can’t help for immediate traffic trouble shooting一楼去死！吃饱了撑的啊。 yellow和how的发音相不相同 owl和yellow的ow发音相同吗?还有May的ay和Mary的ary 英语:big large huge giant 都是大,但大的程度是什么?那个最大? Iwhen i die ,please don't cay,but look to sky and say goodbye My mother,my father,my brother and me.(为什么不用I?) during the past year是过去还是去年?书上翻译的是过去但我觉得....哎... 初一英语第3单元复数形式这些的负数形式：he friend watch boy key is brother box family pen book this 顺便教我什么时候是S什么时候是es