低年级语文阅读教学

餐用洗涤剂高温加热后有毒吗?里面成分的分子会不会发生变化? 英语中one day 和some day 的用法,求详解 one day some day 区别 some day 与one day 的区别 我的宝宝40天了,不爱喝水,我们每次在水里放的葡萄糖,请问葡萄糖每天都喝好吗?有没有什么负作用,如果葡萄糖不能喝太多的话可以用什么代替?另外40天的宝宝可以喝米汤吗? 每天都喝葡萄糖对身体好吗?谢谢了,大神帮忙啊 宝宝一直吃葡萄糖,我宝宝在吃贝因美的奶粉,在里面放入了一些葡萄糖,不知这样一直放葡萄糖, With so many problems to settle可以换成With so many problems to be settled吗?有一个这样的完成句子题：With ________ (如此多的问题要解决),I'm afraid I can't go hiking with you this weekend.(settle)With so many problems to sett A:I have so many rules.B:Like ____? with out so much as+sth.为什么是这个意思,也就是说怎么去解读它 是There is much to do 还是There are many things to do There are many things he has to do.(改为同义句) There are ( )( )( )things he has to do. 英语现在完成时语法been英语现在完成时 has/have + 过去分词1 请问been是什么意思?2 什么情况下要加been?3 been后的动词是否用原型?请逐一回答,特别是第二问. 我知道been 是be的过去分词 可是一般来说现在完成时是 have/has+动词过去分词（I have lived here since 1998）这个lived我会用,可我在写作文的时候 从来都不知道现在完成时什么时候需要用到been （除 现在完成时什么时候加been?为什么?急. 初三英语第五题,在现在完成时中什么时候用be,什么时候用have been to travel at half the speed of light There ___(be)many trees in our school.填什么? our government will try to beautify the city and with trees and flowers everOur government will try to beautify the city and with trees and flowers ______ everywhere,our city will take on a new look.为什么填to plant 不填to be planted there's no need for that Don't do that.There's no need.(改为简单句）为什么是There is no need doing that.而不是There is no need to do that?这里不是还没有做吗,不应该是用There is no need to do 请问,页岩气形成需要多长时间? 用以下单词组句子 flowers from boy that there over these are这是6年级上册的课课练44页第8题的第5小题。 页岩气藏形成的地质条件每个气藏都有其生、储、盖、运、圈、保条件,请问页岩气藏有什么特殊性? 页岩如何形成那种一层一层的页岩是如何形成的? information is transmitted at the speed of sound or the speed of light 你花多少时间,到这 用现在完成时 how long have you ——here?1.been 2.gone 3.come 4arrived How long have you ___Beijing?选填been in/been to /gone to 请分别解释为什么?答案为been in have,deal,with,to,many,problems,I连词成句 I have to deal with many problems这样连对不对? 美国页岩气革命将对全球能源格局带来怎样影响 with so many problem to deal with .i can't spare time to do sport.为什么不是to be deal with 页岩气革命对俄罗斯有多大的影响?