某股份有限公司(下称公司)于2008年6月在上海证券交易所上市。2009年以来，公司

假如你叫林华，你的身体非常健康。你最近交了一个美国笔友Amy，她想知道你的生活方式，请你根据下面的内容提示给她发一封电子邮件，并告诉她身体健康是很重要的，她必须保持良好的生活方式。词数在60词以上。以下词汇供参考使用:

do exercise every day;   sleep for 9 hours every night;    eat a balanced diet;

eat healthy food;        not eat unhealthy food等  

标题已给出.

My Lifestyle

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Something interesting always happens（发生） in our life. John is a doorman(看门人) of a club in a big city. Every day hundreds of people pass his door and a lot of them stop and say to him, “①What’s the time, please?”

A few days later, John thinks, “②I don’t want to      this same（相同的） question, I’m going to the shop and        a big clock. Then I’m going to put it up on the wall here.” He buys a clock and puts it up on the wall.

“③No people are going to ask me the time again,” he says happily. But after that, a lot of people also stop every day, look at the clock and say to John, “Is that clock right?”

小题1:写出划线部分①的同义句。                                    

小题2:在②句的空白处分别填入一个适当的词使句意完整、上下文通顺。                

小题3:将句③译成中文。                                

小题4:What’s John’s job?                                   

小题5:找出或写出最能表达该短文主题的句子：                

已知|x|≤2，|y|≤2，点P的坐标为（x，y）．

（I）求当x，y∈R时，P满足（x-2）²+（y-2）²≤4的概率；

（II）求当x，y∈Z时，P满足（x-2）²+（y-2）²≤4的概率．

填方路段太陡，事先找平修成台阶形式时，每层台阶宽度不宜小于（）m。

A.1.0

B.0.8

C.0.7

D.0.6

空气预热器分几种型式？