过氧化钠与盐酸反应

The final exam is coming ,so it is high time that the students_____ready for itA:get B:have got C:got D:will get Students are not allowed to_____the final exam if they have missed one third A,makeB,sitC,offerD,go应该选啥? 求历史短剧剧本,人数大概六七个人把, 第二性征的出现与身体的长高有关系吗 如果第二性征明显了是不是意味着身高停止生长了?（男生） 第二性征开始发育在几岁 既属于种植业又属于自给型农业有哪些大牧场放牧业是不是?热带种植园农业是不是?水稻种植业是不是?商品谷物是不是? the final examination is coming ,the students are busy---------[review] the lessons. 中国的水稻种植业是自给型农业还是商品化农业 按要求写句子.1.It was Saturday.（ 写出问句）2.We left Beijing on February 1st.对划线部分提问（划线部分：on February 1st.） 第二性征突出是否代表生长开始缓慢了 第二性征发育是指什么 怎么促进第二性征发育 云南地区发展农业的有利区位是A 土地类型多样,生物品种丰富B 水能资源广布C 红壤广布,有机质含量高D 地势平缓,地表受流水侵蚀切割较轻 write a newspaper article.tell how students get to your school. write a newspaper article.tell how students get to your shool.英语作文 Write a newepaper article.Tell how students get to your school.翻译 because it was his twelfth birthday yesterday的问句是什么 关于反义疑问句的语法 yesterday is Sunday还是yesterday was Sunday Yesterday was Sunday是什么意思 We cleaned our classroom last Friday.一般疑问句 we cleaned our classroom everyday on last year有没语病? We cleaned our classroom ___ Friday afternoon.A.in B.on C.at D.for The students in Grade 3 are busy____ the coming exam in June.A.because of B.because C.for D.with请说明原因, 填空：学生们正在为即将到来的考试而忙碌地准备着.The students are busy _ _ the coming exam. She went to bed after she finished writing her computer game.(改为同意义句）回答：She ( ）go tu bed ( ) she finished writing her computer game咋做加上为啥这样做 it's cool.的问句是什么 it was rainy and windy问句 男孩第二性征什么时间 现在儿童一般什么时候开始第二性征发育呢 Robert failed three times () he finally reached the North PoleA until B before是因为如果用until的话,前面要加not 原因,才选before的吗 英语翻译