换热器对蒸汽要求

如图,点A,D,B在同一直线上,∠ADF=∠ABC,且DG,BF分别是∠ADE和∠ABC的角平行线,DG与BF平行吗等级问题 can i help you 答语 能否回答sure 、 certainly Tom didn't go to school ____ he has a bad cold. 在地球的什么地方,无论你面向何方,都是南方 在地球的什么地方,无论你面向何方,都是面向北,面向南方?为什么? ____(could)you help me?用所给词适当形式填空,如题,谢. always反义词 写出下列各词相对应的反义词 1.always 2future 3quick写出下列各词相对应的反义词 1.always 2future 3quickly 4ask 5safe 6empty 7pust 8fold 9polite 10win 什么是植物二氧化碳固定量 胚胎细胞核移植与体细胞核移植差别 神笔马良里故事人物给人们带来什么启迪 主谓一致：every+单数名词+单数谓语.题：Every business needs to evaluate its strength and weakness periodically (need的单数形式是 needs?2,our professor __the fina research papers to be submitted before May 18.答案是expects..句 every的主谓一致问题In every province of China _____ found rich natural resources.A.have b.are c.has d.is -Lucie,could you help me ___the test papers?-Sure.A.put out B.come out C.work out D.give out can you help me in the kitchen ,lucy?-sorry,I my homework. 求科普 是什么植物 求科普?是什么植物呀? 这是什么植物,求科普种的时候不知道是什么,没想到两天就长这么大,不知道是葱还是绿豆芽求科普～ 首字母填空 希望给出完美答案 求救 希望帮做一个首字母填空One day,a customer came into a drugstores complaining of a headache and asked for a bottle of Cola syrup.He wanted to take it i_____.So he asked the clerk to mix the medicine whine he waited还有 有没有 in 英语,David was adsent yesterday_____he had a cold A.if B.althoughC.becauseD.because of 谁能把所有中国汉字写出来? 帮忙翻译成英文.某一天的不期而遇,是开始也是结束.帮忙翻译的人请准确一些.谢谢了. 高一英语结束Disappointed ,he left the manager's office without any rescult .解释为什么是Disappointed,而不是diasppointing 一小时前结束的NEPCS高一英语谁有兴趣的都来谈谈,有谁刚参加吗有题或答案,大家一起参考参考,高一英语奥林匹克难道没人参加吗 几个首字母填空,求大家教教我In the p____,there was a small road in the city ,and the road wasm't very wide .As it is teh c____ city of Heibei Province ,the traffic is very b____ he lives his family in China now 讚頌三秦的詩要長一點的! 三秦大地六亿年前是是海洋还是荒漠还是森林 问下高一下学期的分科分班是怎么分?我们貌似是下学期分文理科.是重新分班吗,等于说上学期这个班只是临时的?学文科的分到一个班，学理科的分到一个班，这样？ 高一下学期就分了文理班,这样的决策错误吗 I bought a souvenir ( ) my friend ( )that shopping mall.