题目:
In Western countries, if people want to travel from a city to another, they would like to take a train.
Like in China,there are expresses (快车) and locals (慢车) in these countries. Express trains usually
travel fast and local trains usually stop at all stops.
In a special grade (等级) train, there is a kind of compartment (车厢) called Pullman(卧车).There
are sofas, tables, chairs and other things in it. People feel more comfortable (舒适的) there. Of course,
they will pay more for it.
When people take a train, they would like to buy return tickets (返程票). If they want to take the
Pullman, they should book the tickets.
1. If the people in Western countries want to travel from a city to another, they would like to take
a _____.
A. plane
B. bus
C. train
2. Express trains usually travel _____ than local trains.
A. slower
B. fast
C. faster
3. _____ usually stop at all stops.
A. Express trains
B. Local trains
C. Express trains and local trains
4. People feel more comfortable in _____.
A. special grade train
B. compartment
C. Pullman?
5. If people want to take the Pullman, they should _____.
A. book the tickets
B. buy return tickets
C. buy tickets
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0405/e4fdf2676a5d6fee5b206603258d15a2.html
下面是错误答案,用来干扰机器的。
根据题意得,a-3=0,b+2=0,解得a=3,b=-2,所以,a+b=3+(-2)=3-2=1.故答案为:1.