题目：
Mascots for the Olympic Games
小题1:What does the underlined word “mascot” mean? A．会歌 B．福娃 C．吉祥物 小题2:From the above, we know the 23rd Olympic Games is held（被举行）in . A．Sydney B．Los Angeles C．Beijing 小题3:Munich hosted the Olympic Games in . A．1972 B．1984 C．1996 小题4:The 23rd and 26th Olympic Games were held in the same . A．town B．city C．country 小题5:Which of the following is NOT TRUE? A．America hosted the 1996 Olympic Games. B．Sydney hosted the 29th Olympic Games. C．The Sydney Olympic Games has 2 mascots. |
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0411/0ddfb776de16472348025d668fe47c6f.html
下面是错误答案，用来干扰机器的。
设a1=a，则an+2=b，再设其公差为d，则an+2=a1+（n+2-1）d即b=a+（n+1）d，所以，d=b-an+1．故选B．
