化学题平衡移动 选什么,为什么,

相关推荐

• 公民“在行使*和权利的时候,不得损害国家的、社会的、集体的利益和其他公民的*和权利.”这要求公民 （ ）A、可以采用任何方式行使自己的*和权利B、要依法维护自己的合法权益C、不得以非法手段谋取*和权利D、不得超越合法权利的范围这是一道不定项选择题，此题的B项该选吗，为什么？求教
• 3道高考英语单选题 求详解The new idea ＿ first in Japan has been＿to other parts of the world.A carried out;brought out B having been carried out;brought aboutC carried out;brought over D having been carried out;brought in为什么不选DWould you please do me a favor to post the letter?＿＿＿＿＿＿＿＿＿＿＿＿A You are welcome. B It's my pleasure.C With pleasure. D No,I can't为什么不选BYou ＿ the burning sun and heavy rain if you want
• 一道初二英语的选择题 要原因The poster sometimes ______ a lot better than the movie itself.A. looks B feels我选B 请问为什么B错了
• We have two computers.Still we are going to have__one.Athe third.Ba third 为什么不选A
• 一道初三英语选择题(十八)Have you____your father's letter?A heard fromB got from C heardD received我是选A的,我记得它的意思是收信,答案是B,为什么?谢谢错了,答案是D
• 1.Mr Green often helps those students ____he thinks are not quick at their lessons.a.whom b.who c.when d.becausethose students 不是help的宾语吗?为什么不选a 2.The old man has two sons,____looks like him.a.all of them b.both of them c.each of them d.neither of them 先排除一下a和b,c 和d都可以用单数形式啊,为什么答案选d而不选c?3.____to see the film please raise the hands.a.Those who wants b,those who want c.Any one wants d.People want4.The reason ____being late for the meeting was _____his l
• 高中英语一道单选Nobody knows ________broke into the house last night and stole the important papers A.who was it that B.it was who that C.who it was that D.that it was who 于是完全分不清啊啊.选C,为什么其他三个不行,另外这是一个什么句?B 和D为什么不行
• 高中英语一个单选You can not imagine that a well-behaved gentleman________be so rude to a lazy.A.might B.need.C.should D.would.选什么为什么啊~
• 冰壶比赛中,为什么选手用刷子在壶前面擦地,冰壶就移动了,是靠什么力促使它运动的
• 11.(2005北京) ---Where is Frank now?---He _______ his bike in the yard.A.fixes up B.fixing up C.is fixing up D.fixed这个怎么选,为什么
• 教室里有若干学生，走了10名女生后，男生是女生人数的2倍，又走了9名男生后，女生是男生人数的5倍．那么最初有_名女生．
• 描写同学的特点作文