绝热可逆膨胀和绝热不可逆膨胀

have you ever visited the sunshine beach?yes,it was excellent.so I to have ____trip there.A.other B.another C.the other D.any other请问该选哪个,为什么?请各位大虾帮下忙 用it写句子 deos it have big eyes?答句YES,it is 这个句子是不是正确的 he is ready to help others 那么.he is a ready to help boy对么?还有.为什么他后面用others啊? 高中英语,It happened that I was out wehen he called源自句型“sb.+happen+to do sth.”首先句中的to怎么不见了,什么情况下会不见,还有happened是不及物,不是不可以用完成时态吗?那么was是和谁搭配的,that引 this keeps your eyes closed allowing them to blink correctly them指代的意思 ______of workers work in this factory and about two ______ of them go to work by bike.A.Thousand;thousand B.Thousands;thousand C.Thousand;thousandS D.Thousands;thousandS 我选的是C答案是B 为什么?放心,会加送的 many a program has been developed up to this date,but none of them areeconomical enough to be carried out now.求翻译 A woman has seven children.Half of them are boys.How can this be possible?(用英语回答） 英语翻译1.你最好不要在他工作的时候打扰他.2.你不必担心她,她已经完全康复了.3.你应该听从老师在提高你的写作方面的意见.4.你介意我开会窗户吗?屋子里边太热了. 英语翻译1.机器人将做简单的工作而且永远不会觉得乏味.（get bored)2.他们打算用更少的钱,更少的人完成更多的工作.（less,more,fewer)3.一些家庭里已经有机器人做家务.（there be...doing)4.决定买这 a.We were watching TV when we heard the door____b.We were watching TV when we heard someone____at the door(knock)老师说第一个是knocked,我认为不是heard do和heard doing么?这儿听到敲门完整是动作不是用do么?加上是被动,所 When I was watching TV,I heard someone _______ the door.A)locking B)to lockC)lockedD)being locking "sb.+happen+to do sth."句型中不定式做什么成分? "sb.+happen+to do sth."句型中不定式做什么成分?请那位英语同行指教, Betty is always r to help others.急, inspire sb to do sth 不定式充当成分 he likes to help others 的否定句怎么写 英语翻译try to stop the clock from turningeveryday we keep on learningthere's better way for rose to livewe are young and open heart itwe can stop the changes to start itmake the world a better place to live We will be able to get there tomorrow if we catch the early bus.同义句替换 You can take a bus _____ there on time.A.get B.gets C.to get D.getting I ( ）TV when l suddenly heard a strange noise outside A watches B am watching Cwas watching D watc还有理由. i will not believe you unless i___ (see) it with my own eyesam seeing will see saw have seen I will believe it unless I see it with my own eyes. I will not believe you unless I have seen it with my own eyes.此句中的从句为什么要用现在完成时 I will believe it when I see it with my own eyes.(同义句）I _________believe it ___________I see it with my own eyes i don't believe what you said ___I see it with my own eyes .A unless B .if C .after D when it"s c________to help others in our school scent of years英译汉 Expiration date in the task ,on the mission You beat me in the race...中的介词的用法问题You beat me in the race,but I'll beat you at tennis.这句话的前后用的介词为什么不同呢?前面是in,后面为什么就是at .阅读判断 Tom goes to school on his bike..He puts his bike beside the school.There are many bikes there during the school time.At half past three,the students take their bikes and go home.Then you can see a lot of bikes running in the streets.Som