碳在无机环境中的存在形式

新概念英语第二册lesson76、77摘要 （double)(5/2)=2.0和(double)5/2=2.5 .试问这两者怎么算的,得到的结果不同? The professor was strict with us andhe wouldn't have that sort of thing__.A.to happen B.happen C.happening D.happened 55.Was it____the professor regarded as the brightest ones?A.them which B.them who C.he who D.that that Nobody saw the twin brothers enter the room.(改写同义句) ____ of the brothers ____ seen ____ enter the room. 两个边和第三边上的高对应相等能不能证明三角形全等 模仿句式造句春天的雨,细腻而轻柔,给山野披上美丽的衣裳.夏天的雨,—————,——————————.秋天的风,—————,——————————.冬天的雪,—————,——————— Nobody but doctors and those __________by Dr.Zhang ______ the room.A.invited;is allowed to enterB.are invited;are allowed enteringC.invited;is allowed enteringD.is invited;are allowed to enter请说明理由及这里面包含的语法问题 Bob and Bill ____fruit.中间是写likes还是doesn,t like?中间那个,是在上面的.还有一个don,t like 应该是这个把？为什么三单不要用likes? 孤帆远影碧空尽、劝君更尽一杯酒、山穷水尽中尽的意思?A完B达到极端C全部用出D全,都 The dog makes the baby (laugh) again and again. what I said makes him laugh有错吗 The place ____was the Science Museum.能不能填which we visited to 为什么? Li ___ her lovely dog for a walk .A takes B brings C carries D goes The science museum was interestinThe science museum was interesting.改为否定句 colours什么意思 colours是什么意思,谢谢啦,急~~~~~~~~~~~~···· you can be just the only one of me forever 用所给形式填空：there is the （begin） ofthe new school year. 你如何善待你身边的朋友? this is my home 还是house I go back home还是house it's 5:00 p.m.let's go_______.A.school B.home C.house Harryis house was far from his company.The boss agreed(to let:go)为什么him(?)home early. "诡计多端"的"诡"字是什么意思?紧急"诡计多端"的"诡"字是什么意思? 诡计多端是什么意思 英语翻译成对差分,差分的 95% 置信区间均值标准差 均值的标准误 下限 上限 SPSS做卡方检验是报错了这是什么问题啊,该怎么处理 大家看看这篇英语短文有语病吗?Dear honey,I hove something to say to u.You should never be anxious about what we will be like in the future,which we ever can't imagine by now,and what we should do now is how we try our best to make us get The ball went in the d___ of the man sitting in a boat on the river. 要以“诚实做人,守信做事”为主题写一篇作文,我想以第三人陈叙述自己一段梦,然后醒后迅速在日记本最显眼的地方写下“诚实做人守信做事”的几个大字结尾,服不符合题意, spss方差分析和相关分析使用的前提?问卷在手,却不知道用什么分析,比如手里有 年龄 性别 网瘾 自我效能感 这些数据,都能用什么分析?谢谢! My favourite animal短文,大家帮我看看有没有语病……Look at this animal. It is my dog. Its name is Mary. It is white. It has triangular ears,round eyes,a black nose and a small mouth. So it looks like a little fox.My mother calls it "Lit