hf的热稳定性和熔沸点

This pair of glases is very cool.Could i try( )on?yes A them;of course B it;of course but where are the book's?don't worry theyBut where are the books?Don't worry.They____here in no time.a.have been sent B.will be senta为什么不行 Where are the books?Here are they改错小学英语 单词拼写Where are my books?They're in the b---- 直升机的总距杆是控制升降的吗? 直升机上下升降是靠总矩杆控制,那总距杆是连接在哪里的? The classroom is so dirty that it needs( )badly谢谢了,A.clean B.to clean C.being clean D.cleaning The classroom is so dirty that we can't study in it.（保持原意）The classroom isn't ______ ______ for us to study in it. Don’t forget the things you once you owned.Treasure the things you can’t get.Don't give up the we were late ,so we ___（赶快） there根据中文填空 和万有引力与航天有关的高中物理题....火箭达到第一宇宙速度后 再继续喷气, I wan to keep healthy.Can you give me some advice? we were so late getting to the theatre that we missed most of _____.a.the act first b.act one c.act first d.first act 选哪个?为什么?这个题这样和你说吧，act one 的意思是第一幕已经结束了，现在明白了吧， The reason___we were late was that theThe reason___we were late was that the train did not come on time. A.that B.which C.what D.why 请选择正确的答案,并说明理由 翻译 Don't appear to take things personally翻译 Don't appear to take things personally. Destiny take a hand谁能帮忙翻译下 上帝不能干什么 上帝粒子是什么,他能做什么 they often go to school late.一般疑问句 pick.can.them.up,me please,you,forjim is playing football now.否定 he asks ben some questions about public signs.现在进行时.that sign means keep off the grass 同义句.they mean different things . ( )Can you____for me?sure. A:pick up them B：picks up is C:pick them up D:picks it up 与父母之间的代沟如何解决? 填合适的介词或副词May I speak _____uncle Li,please?Tom's mother is a teacher _____ maths.These are your socks.Put them______,please.What's wrong with you?——I can't get______.Sometimes I go _____to eat_____my friends Dreamhigh中的一女唱的:i know you will be a superstar,so don‘t worry where you are求歌曲 求《dreamhigh》“i know you will be a superstar,so don‘t worry where you are...”这首歌~ you can appreciate the beautiful sceneries on both sides of the railway这里的sceneries用复数对吗,scenery 不是不可数名词吗? arrived in造句 连词造句 son sun song run rung rang wrong前后连接合理就行,随意搭配下,可以是一句,也可以是前后衔接的两到三句. 用realized got rang walked went-gone left stared 造句 英语翻译1.她冲出教室当铃声一响.When the bell rung she the classroom.2.房子里面没有人.in the house.3.我们去开车兜风好吗?Shall we in the car?4.他把书归还给图书馆了He the book the library.5.我将尽力学好英 They and I 后面应跟什么be动词的 they后面接什么be动词 ( ) Friends of the Earth can keep the environment ____.A.cleaned B.clean C.cleaning D.cleanly