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回答问题
Have you heard ____ news? The price of ____ petrol is going
1年前1个回答
—Have you heard ____ news that over 10,000 people lost their
2.The advertisement has been heard ____ three times today.
They were heard ____（sing）when I walked past.They were heard
1年前4个回答
____ good news!We have never heard ____ wonderful news.
1年前2个回答
1.She were often heard ____ this song when she was happy.
The girl is often heard ____ (to sing / singing )happily in
1年前7个回答
Mary was heard ____ two songs at the party.
求英语解题思路Betty has never been heard ____ ill of others.（答案选C）A
The little girl was often heard ____ under the tree in the m
1年前3个回答
Have you ever heard ____ the Disneyland
语法17-13Mary said she had heard ____ this oneA.as a story qui
几道介词填空I have heard ____ my uncle for three daysHave you hear
1.perhaps you have heard ____ about the internet .
1、We have heard ____ English music.A.too much B.much too C.t
The girl got into ____ panic when she heard ____ frightening
I've never heard ____ interesting news before.A.such an B,su
Your story is perfect. I’ve never heard ____ before. A．the b
.1.She were often heard ____ this song when she was happy.
1年前5个回答
the advertisement has been heard ____ five times a day ,whic
你能帮帮他们吗
一位科学家曾经做过一个实验 英文
（2006•南通模拟）氧化物X（初中化学未学过）是一种安全无毒的物质，常用作长途运输时鱼苗的供氧剂．已知X含有的两种元素
在可逆反应2A（g）+3B（g）⇌xC（g）+D（g）中，已知：反应开始加入的物质只有A、B，起始浓度A为5mol•L-
善待地球就是善待自己,拯救地球就是拯救未来联系生活实际谈谈你的理解
下列说法正确的是（ ）A．一切正在发声的物体都在振动B．声音在固体、液体中比在空气中传播得慢C．用录音机播放音乐，磁带
精彩回答
阅读下面文章，完成9~12题。 经营好你的人生
经过一年的学习，我们初步认识了一些身边简单的物质，如：木炭、氧气、氢气、一氧化碳、二氧化碳、水等，请从上述物质中选取适当的物质写出两个燃烧的化学方程式： ①______ ②______
蒋氏大戚，汪然出涕曰：“君将哀而生之乎？则吾斯役之不幸，未若复吾赋不幸之甚也。
求极限lim(x→+∞）[ln(1+e^x)]/√(1+x^2)
求f（x）的定义域及最小正周期
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