Want to save money when travelling by train? Here are some ways.

Day Returns

　　This ticket can save you up to 45% on the standard fare (车费). You have to travel after the rush hour period Mon.-Fri., but can travel at any time on Sat. or Sun.

Big city Saves

　　These are special low-priced tickets on certain trains. Yon have to book in advance----- at the　latest by 16:00 the day before you travel. It's first come, first served.

Weekend Returns

　　Weekend Returns are available (有售) for most journeys over 60 miles. Go on Fri. Sat. or Sun, and return the same weekend on Sat. or Sun, and save up to 35% the standard fare.

Monthly Returns

　　There are available for most journeys over 65 miles. Go any day and return within a month. Monthly returns save you up to 25% on the standard fare.

Family Returns

　　For ￡20 this railcard allows you to take a second adult (成人) and up to 4 children for only ￡3 each when you buy single or return tickets. You can travel as often as you like until the card becomes out of date. (200 words.建议阅读时间为3min.)

小题1: Which is the best ticket to buy if you live in London and want to go to a small town 80miles away for four days?

A．Big City Savers

B．Monthly Returns

C．Weekend Returns

D．Family Returns小题2: A man bought himself a ticket of ￡15 and three tickets for his family with a family railcard.How much did he pay?

A．￡44

B．￡29

C．￡24

D．￡15

患儿男，生后2天，出生体重为2400g。因吸入性肺炎入院，入院时患儿呼吸急促，口唇稍发绀。即置于辐射保暖床上抢救。

该患儿吸氧的流量应选择每分钟为（）

A.1L

B.2L

C.3L

D.4L

E.5L