(2) You travel very quickly and quietly. The train uses less energy.

 Step 5 Careful-reading

1. Get the students to read by themselves, with carefulness, ask them to pay attention to their correct pronunciation.

2. Get the students to find out the topic sentence for each paragraph.

3. Get the students to find out the difficult sentences and useful expressions.

(Teacher show them on the screen.)



at a speed

注意at和speed搭配

at full speed

at a speed of 50 miles

at the top of one's noise at what speed

per hour:每小时　 per minute, per day, per year

注意:per的用法

①per商业技术用语，通常一般用a，an。

②per之后接没有冠词的单数名词

a pint of milk per child 每个小孩一品脱牛奶

fifty miles per hour 每小时50英里

(3)They travel very fast and use less energy.

它们运行得很快，而能量却消耗得较少。

请注意，这里less energy 是little 的比较级。

后面省略: than ordinary trains.

(4)...attended the opening ceremony of the train service.

参加......的开幕式

attend:出席；参加；上（学）；到（场）

Did you attend the meeting yesterday?

你昨天出席会议了吗？

She was sick, so she didn't attend her classes.

她生病了，所以没上学。

 Step 6 Speaking

1. Get the Ss to read again and again.

2. Ask some students to give a report.

Please say something about Maglev.

3. Write down the passage in the exercise books.

 Step 7 Writing

1. Do Ex.6. (Page 81).

Suggested answers: 