作文带旁批写景

下面这个元素符号表示什么意义?nN表示什么意义?（如,3S表示3个硫原子,那nN呢?） 问一个元素符号表示的意义Ca2+,他写的是Ca然后右上角写了2+. 元素符号的写法和元素符号所表示的意义P表示什么（例如,“H”表示①氢元素,②氢原子） 什么样的元素符号表示微观含义,什么样的元素符号表示宏观含义 元素符号表示的意义 二氧化碳元素符号表示的两个意义CO2表示的两个意义 weather可数吗,表示天气的词是不是都不可数,加了形容词后为什么就变可数了? what is the weather like 怎么样才能用天气名词来回答? 北京的天气比南京的天气凉一些.(用that代前面的不可数名词weather). 描写夏天天气的词语,急!多多!~~ 表示天气情况的词语 表示天气的词语4个就行 表示天气好的词语有哪些?最好是成语,一般的词语也可以.成语和一般词语均可. 有哪些表示天气冷的词语?>>>>>>有哪些表示天气冷的词语?如:鹅毛大雪,天寒地冻,大雪纷飞,狂风呼啸,冰天雪地>>>>>>>>>>>>> What nice weather it is today!nice weather的用法. what a nice weather it is 与 what nice weather it is 哪一个是正确的,为什么? ( )nice weather it is! A.What a B.How a CWhat与weather是不可数名词无关 1.What ( ) nice weather it is!A.a B.the C./2.Tf he were here ,he ( ) you.A.would help B.will help C.helps What____it is today!A.a nice weather B.nice weatherC.nice a weatherWhere is Mr.black?I can't find himoh,he___his car behind the house now.A.washes B.is washing C.washingis it ___or____?A.rain,snow B.rainy .snowy C.raining,snow （） nice weather it is!A What a B How C How is D What选哪个才是正确的? （what a nice weather it is today ）这句话的错误是什么 The weather in the fall is very nice什么意思 _______nice weather it is today!A.what B.How a C.How D.What a 英语翻译.今天天气非常好 the weather is very nice today.这个写的对不. the weather is nice today,___ ____?(反意疑问句） The weather in Beijing is colder than_____.A.in Heifei B.Heifei C.that in Heifei D..that of Heife选C为正确答案.问理由. 用in Hefei或Hefei或that in Hefei填空:The weather in Beijing is colder than ( ). the weather in beijing is colder than____in the winter.A、that wather B、Guangzhou C、that in Guangzhou D、it in Guangzhou The weather in beijing is colder than that in Guangzhou 那么“colder than ”在句中又做什么成分呀? 5.The weather in Shenyang is even colder_______.A.than that in Beijing B.than BeijingC.than in Beijing D.as that in Beijing6.Peter is ______ than his brother.A.more fatter B.much fatter C.very fat D.the fattest7.Whose sweater is _____ of all?A.cheape The weather in Hainan is quite ____ _____that in Beijing(海南的天气和北京的天气很不相同） How is the weather in Beijing?（改为同义句）___ ___ ___ ___ in Beijing?