如图抛物线y=ax2+bx+c与x轴交于A,B两点，与y轴交于C点，且经过点(2，-3a),对称轴

Life only comes around once.So make sure you,re Spending it the right way,with the right ones ...Life only comes around once.So make sure you,re Spending it the right way,with the right ones 请问是什么意思 Life comes with many challenges.The ones that should not scare us are the ones we can take on andLife comes with many challenges.The ones that should not scare us are the ones we can take on and take control of.生活充满了挑战,唯有勇敢面 the girl someone you meet only once in a lifetime 麻烦给翻译一下 小鼠中,黑色由常染色体隐性基因决定.两个正常毛色的小鼠交配,产生了一个黑色雄鼠小鼠中,黑色由常染色体隐性基因决定.两个正常毛色的小鼠交配,产生了一个黑色雄鼠,该黑色雄鼠与一个正 Mr.wang left Shanghai last year.(保持原意）Mr.wang has been_____ _____ Shanghai for a year Televion shows like books or movies .怎么改?这是短文改错的一句话， TV shows are l_____books 你喜欢那种电视节目 ( )( ) of TV shows ( ) you like 开花 传粉 受精 结果的顺序 染色体上的基因决定生物（ ）的性状? 性别决定是由什么染色体上的什么基因决定的 具有性别决定的生物细胞中的染色体是否都可分为性染色体和常染色体? "花凋花谢花无悔,人来人散人迷悯."这句话的意思是什么? 花凋花谢花无悔╮人来人散人迷惘英语怎么翻译 仿写小草无悔,因为他然遍人间绿色,绿叶无悔,因为它托起朵朵花春雨 老师 英雄 一棵树上有两种不同的叶子是怎么回事,而且是完全不同的.先长枫叶状,再长椭圆型,是一个树心长出来. I didn't know anything about it 改为同义句 I_____ ______about it 一棵树（一个品种）怎么长出两种树叶? I didn't know anything about him.（改为同义句） The girls heard the whisper and they were afraid.The girls heard the ( ) ( )and they were ( )we didin‘t find anything interesting in your story(同义转换）we______ ________interesting in your storythe music is very wonderful(同义转换）____ The girls heard the whisper and they were afraid.同义转换 The girls heard the_ _and the were_当中填两单词,were后面一个单词, 这是什么花呀,一棵树上开两种颜色,树有一两米高叶子很少,有红色的白色的 A;Do you know anything about it B；No,I know nothing…… he told me横线上应填什么A.whether B.if C.sinceD.until还有一题Tom is ……kind a man that we all like himA.very B.so C.such D.quite 英语翻译翻译:When the king was told he had nothing to fear until the local woods started moving up to his castle,he sighed with relief. I knew nothing ( )he told me.“他告诉了我,我才知道这件事”翻译. I didn't know ______.C.if I could say anything about it.D.that I could say any thing about it.为什么D不行 my,your,his,her~·my,your,his,怎么用? Where to go tomorrow has not been ---where will you start your work after graduation?---Mom,it's not been decided yet.I___continuemy study for a higher degree.A.need B.must C.would D.might when and where should we go () not been decided.如上,这个句子（）的部分填“has”还是“have”when and where to go has not been decided.这个句子是因为不定式做主语所以谓语动词用单数.但是我总是想下意识地 秋雨过后的诗句 形容"秋雨"的句子