重铬酸铵

Give Me HELPa.The forests at the source of the Yellow River are becoming smaller.What’s the phrease ‘at the source of’ in the sentence mean b.The future of our planet is at stake.What’s the phrease ‘at sake’ in this sentence mean?Thanks f i get to work at nine o'clock的work at是否是词组? 根据答句写问句：I will go to work at nine o'clock.(When) 求一首歌.歌词有i am so luckly,nothing goes on bring me dwon today（后面半句大概是这样的）歌词有i am so luckly,nothing goes on bring me dwon today（后面半句大概是这样的） 是在一个国外视频里看到的广告插 Who is now learning at that school "Bob,who is now learning at that school"是什么意思? How is Wuxi TLI i want to learn chinese in wuxi,i've heard TLI in Wuxi,how is that School?I am from Canada ,wanna learn mandarian Chinese in Wuxi,how to find a good Mandarian tutor 英语翻译As pervasive as this symbolic meaning ofluxury is,little was known about the psychologicalimpact of the luxury marketing effort onconsumers. My classmates are going to fly kites after school.（对fly kites提问）请详细说明 I'm going to Canada -----my uncle 翻译 on this matter than usual to do you good They are going to go swimming after school this afternoon.(一般疑问句）_______they_____ ____ _____ ______after school this afternoon? "Could' is used to express possibility as well as to make suggestions and requests It is --- for students to learn English well.Which word can not be used here?A useful B important c necessary D impossible为什么是D 贝克汉姆英语怎么说急用 Change the from of the word if necessary.如何翻译?（一部分一部分说,这句话不好理解） Do you think it's necessary to change a seat for you to see the movie clearly?- Thanks a lot ,it doesn't matter where I sit although I can _____ see the words!A. finally B.hardly C easily D nearly 答案是哪个 ___come out of the building,my first thought was to call the fire department.A.having seen the smoke B.as soon as the smoke was soonC.when i saw the somke D.on seeing the smoke dissplay the rule for thd character strings that can be used for passwords 贝利是世界上伟大的足球明星之一 英语怎么说 I was watching TV athome at seven yesterday.用athome提问 I was watching tv athome at seven yesterday.用at seven yesterday提问 Betty piays sports every day改为一般疑问句 she p_____ sports every day. be good at 的 同意句式是什么?急... In English,the family name comes_____选项有first last it 英文高手们,考验的时候到了,!HELP ,GIVE ME YOUR ADVICE!a ten dollar billSam waited patiently in the long line at the grocery store .He had come to pick up a few items for his mother.He often did chores for his parents after school.He enjioy Chicago怎么读 It wasn't there last There ____(not be) a film last night. 空里要填什么?希望给讲解语法,急! She used to play the piano in the morning.(变为一般疑问句) 请讲出以下句中more than的意思以及对表语成份进行分析.We walked across the whole town,and that was what we had planned to do.It was nothing more than just another small town with another group of people living in it and we saw some It's an honour for me __ here to speak to you.A:to invite B:to be invitedC:being invited D:to being invited为什么呢