苯与浓硝酸和浓硫酸

dear,warm,cold,etc这些词的比较级是 dear的比较级咋个写? 为什么美国要开采本国的页岩油 页岩油是什么 如何辨别wait 和 await?例句：I'm sorry to keep you ___ so long.A.waiting B.wait C.await D.awaiting.在这个例句中,wait 后街不定式,await后接动名词,因此排除B.C,而wait是不及物动词,后跟介词for,await是及物动词,如 元素是什么,和原子有什么关系啊 元素和原子是什么关系 元素与原子什么关系 as much as/so much as区别? 元素和原子有什么关系呢 页岩油革命究竟是不是骗局 11. He is not so much _______ a help as I thought he would be. (A) of (B) in (C) at (D) as 难度：易 What_____ your favourite clothes?该填is还是are? 英语翻译如题,求流畅的翻译 what‘s your favourite和what are your favourite的区别 论文翻译：An adaptation of the original median test for the detection of spurious PIV data is propo I can't cross the river.(同义句)要认真回答,不要写不知道之类的话,要是回答的不错的话,我会选你为最佳答案, You can cross the river by f____ teaching building什么意思 关于雅思口语"modern building"!describe an interesting mordern building描述现代建筑 外观我想破脑袋也想不出从哪下口,5、6句话就行,给我个提示!好用的话我一定加分! The headmaster n_____ the teaching building RenHua building.请问空格填什么? I am a worm,but I can cross the river day and night. T-shirt ( )his favourite clothes.填什么?is还是are?对不起，是T-shirts啦 “唔捞"系咩意思呀? 前卫系咩意思? Lily has read the storybook.Lucy has read the storybook,too.的同义句 a beautiful school.,modern teaching buildings with the latest equinment的意思 Our school needs a lot of modern teaching equipment.这句话哪错了 Only those armed with patience are suited for a teaching career in school为什么用armed 不用arming?着急! 英语 8.Every classroom in this modern school is _______ with a new TV set.8.Every classroom in this modern school is _______ with a new TV set.a.equipped b.installed c.fixed d.placed 为什么 帮忙取个英文名~想要跟自己名字能有点关联~很有难度~中文名拼音：cao jia ying双子座网络公司客服 百合和梅花象征什么?从这些词中选：团结友爱,和平友谊,永葆青春,坚韧挺拔,身手敏捷