桃园梦 花朵
共回答了15个问题采纳率：93.3% 举报
1年前
回答问题
（用a,an,the填空）1.There are fifty students in my class.Some spe
1年前6个回答
英语：写出同义句There are more than fifty students in our class.Ther
1年前1个回答
There are fifty students in our class.(用next year改写句子）
There are _____ fifty students in each class in our sch
our class has fifty student.(改为同义句）—— ——fifty students in oo
按要求做下列句子，每空一词。 1. Our class has fifty students. (句意不变, 改写)
一道高二英语选择We have fifty students in our class,28 of( )are girl
1年前5个回答
There are fifty students in our class, ______ of them are gi
根据句意和首字母提示填空there are at l____ three thousand students in ou
There are fifty students in our class,____.
There are fifty students in the class;half of ( )are from th
There are over fifty students in Class Two,Grade Eight 的同义句
1年前4个回答
帮我填空在横线上填空1、He___(not can)speak Chinese.2、The students in ou
There are altogether fifty students in our class,twenty（）
1年前3个回答
There are fifty students from six to ten.
介词+关系代词1.There are fifty students in our class,all____are wo
in each classroom _______. b.are fifty students. c are there
1年前2个回答
找出下面复合句的错误!1.There are over fifty students in this school wh
There are fifty students in my class.Most of them are from t
There are fifty students in our class 的同意句 _ _ fifty student
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我就知道你会帮我!
2个数的最大公因数是15,最小公倍数是90,一个数是45,则一个数是多少
（2014•海淀区一模）几种短周期元素的原子半径及主要化合价如下表：
若某几何的三视图如图所示,求几何体的体积,
孤电子对下列分子或离子中不具有孤电子对的是?水分子、氨气分子、氢氧根离子、氨根离子（怎么判断?
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It was ten years they got married
11个月前
下列各组词语中，没有错别字的一组是 [ ] A、笑靥 浮燥 逡巡 顶盛时期 B、描摹 逻缉 囊括 揭杆而起 C、潦倒 迁谪 反馈 锲而不舍 D、寒喧 聆听 苍桑 质疑问难
铜器久置于空气中会和空气中的水蒸气、CO2、O2作用产生“绿锈”，该“绿锈”俗称“铜绿”又称“孔雀石”，化学式为Cu2(OH)2CO3，铜绿能跟酸反应生成铜盐及CO2、H2O。某同学利用下述系列反应实现了“铜→铜绿→……→铜”的转化。
已知定义在[-2，2]上的函数y=f（x）和y=g（x），其图象如图所示：给出下列四个命题：
下列说法中错误的是（ ） A．氧化反应不一定是化合反应，化合反应一定是氧化反应
