catsky66 幼苗
共回答了16个问题采纳率：81.3% 举报
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C筱 幼苗
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tqy168 幼苗
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回答问题
对划线部分提问.Ther are cleaning their classroom.划线部分是their classro
1年前4个回答
( ) 1. He is cleaning his room
1年前1个回答
_______ our classroom once a week is necessary A.Cleaning B.
1年前7个回答
he saw her cleaning in the roomhe saw her cleaning in the ro
英语短文填空（四）Tom was a poor boy.He made a living by cleaning lea
1年前2个回答
2.she enjoyed___stoer books.3.jom __his watch in the classro
1年前5个回答
i spent this morning cleaning up the home
连词成句 1. your room, mind, cleaning, would, you &
When he ____home,he saw his mother cleaning the room. [
I _______saw it.(填反身代词) We _____do some cleaning on saturday
1年前3个回答
They are cleaning the room 对 cleaning the room提问
Cleaning women in big cities usually get paid by _ hour.横线处为
重新排列下列对话 a.I'm cleaning my room.b.Sorry,I'can't.
The boys are kept ________ cleaning the classroom．
cleaning是什么意思
The students are cleaning the classroom . ( 改一般疑问句并作肯定和否定回答)
Mary is cleaning the desk 对画线部分提问 ____
He isn't cleaning the room now.(改为祈使句)
英语题 啊啊啊啊啊Would you mind cleaning the blackboard now?改为否定句wou
the classroom is___after cleaning A.clean and tidy B.cleaner
你能帮帮他们吗
一个算法的程序框图如图所示，若该程序输出的结果为[3/4]，则判断框中应填入的关于i的限制条件：i≤______．
一个周长是80米的正方形土地与一块底边是50的三角形土地的面积相等,这块三角形土地高是多少?
计算下面各题，能简算的要简算
Once there was a man and a woman who were lucky enough to ow
小刚.小明和小红共有50元.小刚线拿出小明相等的钱给小明,小明再拿出小红相等的钱给小红,小红最后拿出于小刚相等的钱给小刚
精彩回答
如图甲所示，在鼓面上撒上一些纸屑，轻敲鼓时看到纸屑上下跳动，这个现象说明，发声的物体都在 _________ ，比较图甲、乙两次敲鼓的情况，两次鼓面上的纸屑振动幅度不同，说明两次鼓发出声音的 _________ 不同（填：“音调”、“音色”或“响度”）．
设函数 y=sin x / e的x次方, 求dy
细菌、真菌和病毒都属于单细胞生物。
如何求limx→0（3^x-1)/x
