1，It takes Mr Wang half an hour on the way to work everyday 2,He was so tired that he fell asleep right away. 3,You'd better send him an email to check whether it is true. 4,would you like to have lunch with us? 5,The teacher told us dont be late for school
It takes Mr. Wong an hour and a half to go to work. He is tired enough that he can flake out immediately. You would better send him a email in order to check whether it's real or not. Would you mind having launch with us? Teacher tell us not late for school.
1、王先生每天花一个半小时去上班 It takes Mr. Wang one and a half hours to go to work. 2、他累得马上就睡着了 He is so tired that he falls asleep at once 3、你最好给他发个e-mail,看看是不是真的。 You'd better send him an e-mail to see if it is true. 4、你愿意和我们一起吃午饭吗？ Would you like to have supper with us? 5、老师告诉我们上学别迟到 The teacher tells us not to be late for school.
答：假设√2是有理数 设√2=p/q,p>q>0，且p,q互为质因数 有：2=p^2/q^2 p^2=2×q^2 于是p是偶数 设p=2r， 得(2r)^2=2×q...详情>>
