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14.解:物体在斜面AB部分做匀加速运动,设加速度为a1根据位移公式有s1=2a1t12,解得a1=2m/s2(1分)根据牛顿第二定律有mgsin 0一u1 ngcos0=ma1(2分)解得μ1=0.5。(1分)(2)物体到达B点时的速度大小v1=a1t1=8m/s(1分)物体在斜面BC段做匀减速运动,设加速度为a2根据运动学公式有a202-U1=一1m/s2(1分)t2根据牛顿第二定律有ngsin0一μ2 ngcos0=ma2(2分)解得μ2=0.875。(2分)
李教授有着一套独特的植树方法:他种树不是过分细心照看,而是让其在艰苦的环境中自由地生长。结合“个人成长需要艰难生活的磨砺”这一话题谈谈你的看法,写一篇120词左右的英语短文(文章开头已给出,不计入总词数):
1. 你是否认同李教授的做法,为什么?
2. 叙述当前独生子女广泛得到父母溺爱的现象,并由此产生一些不良后果;
3. 假如你是父母一方,你会用何种方式来教育和磨砺自己的孩子?
As we all know, Professor Li has a special way of planting trees.
试题答案
As we all know, professor Li has a special way of planting trees. He doesn’t take too much care of his trees, just letting them survive and grow in the bad environment freely.
I thorough agree with what professor does. The trees could have strong perseverance to survive by themselves. As long as they have their survival ability, they will grow healthy.
Today under the system of the birth control in our country, every family has only one child. So parents do everything they could to meet their children’s needs. However, all parents do is not help their children but to destroy them.
If I were a parent, I would make my child do more hard work and experience a variety of sufferings and hardships as much as possible. I would also teach my child to undertake the responsibilities of the family and society.
【解析】这是一篇议论文写作。根据作文提示:结合“个人成长需要艰难生活的磨砺”这一话题,然后表明自己的观点是赞同还是反对李教授的植树方法,并提出自己的观点,再议论,清晰表达,并且要不失亮点,准确把握英文句子的书写,避免出现汉语式英语的现象。【亮点说明】范文共四段,依次按照写作提示的三个问题一一来陈述。格式很标准,虽结构简单,但是层次清晰,其中也用了一些高级的句型,使得文章水平在一个高的层面,如: I thorough agree with what professor does.宾语从句;As long as they have their survival ability, they will grow healthy.主从复合句;He doesn’t take too much care of his trees, just letting them survive and grow in the bad environment freely.伴随状语;If I were a parent, I would make my child do more hard work and experience a variety of sufferings and hardships as much as possible.虚拟语气等;还采用了一些比较好的短语,正确地加以运用:not……but,不是,而是;meet sb’s needs,满足某人的需要;agree with同意;如这些都给文章带来了亮点。
考点:考查应用文写作。
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