英语作文80词
题目
英语作文80词
Miss zhou 了解到卫华发生车祸的过程后,在班上组织了一次有关交通安全注意事项的讨论.请你把你的意见整理一下.内容要求：1.行走时的安全注意事项 2.骑车(自行车)时的安全注意事项 3.乘车（公共汽车）时的安全注意事项
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【转】
When we are walking,we should walk on the pavement (sidewalk).At the crossing,we shouldn’t cross the road until the traffic stops.Don’t play basketball,read books or listen to the music while walking .When we are riding a bike ,we should watch ahead and keep both hands on the handle bars.Don’t carry anyone on your bike ,it is not safe.When we are taking a bus ,we should line up and get on (off) one by one .Don’t try to get on (off) before the bus stops.
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已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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