echo1992 幼苗
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1年前
hj5fg 幼苗
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zjdwq 幼苗
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lengxia1230 幼苗
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急流漂萍 幼苗
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回答问题
but now parents seem to push their children should do the sa
1年前2个回答
When the children were told that they could go camping on Sa
1年前1个回答
请用正确的形式填空.It's very kinf of you( )(have)no children.Peter sa
Too often,the interset of children in the natural world is d
May parents often take their children to go the Science Muse
1年前6个回答
英语改错句,快来呀each of the children an apple in his hand.Look!what
1年前5个回答
this is the place where children can buy paly
1年前4个回答
首字母填空～今晚就要～Children in the USA like Kite Day very much.On th
snowman,children,are ,a,the ,making ,not (.) 连词组句
what do the children often_do__in the eveing?意思
The children( )red ties in Primary School.怎么写
do you think children in different culture are more like tha
填空Children can ----playing with paper lanterns a few days be
1年前3个回答
all the children had great fun 改同义句
为什么Sa(x)=sinx/x被叫做抽样函数?求大神帮助
Mother bought many oranges and gave the children two__?用each
一些英语句子结构：1：Most parents want their children to study from mo
小题1: If you want a job of taking care of children, which ad
The children help with the animals and give them their _____
This kind of picture-book _____ _____ _____ children (为……设计的
1年前9个回答
你能帮帮他们吗
Though Jack _______ many times, he still plays computer game
网球是一项有趣的运动吗?翻译成一般疑问句
已知A是三角形的一个内角,且sinA+cosA=2/3,则这个三角形是（ ）．
等差数列{an}的前n项和记为Sn，若a2+a4+a15的值是一个确定的常数，则数列{Sn}中也为常数的项是（ ）
已知sin2α=2/3,则cos2(α+π/4)=
精彩回答
结合课文《我的第一本书》语境，写出下列句子的含义。
________ shirt do you want?
自然界中，陆地上绿色开花植物的叶与水中浮水植物的叶（如睡莲）在结构上有什么区别？请简要说明理由．
战国后期，秦国建造了一批大型水利工程，如郑国渠、都江堰等，一些至今仍在发挥作用。这些工程能够在秦国完成，主要是因为（ ）
证明：函数f（x）=x2+1是偶函数，且在[0，+∞）上是增加的
