Lesson 71 A famous clock

key words:

parliament 议会，国会

erect 建起

accurate 准确的

official 官员，行政人员

Greenwich 格林尼治

observatory 天文台

check 检查

microphone 扩音器，麦克风

tower 塔

chimp 黑猩猩

GMT 格林尼治时间

Question：

1. Why is Big Ben so named?

Because of Big Ben its name from Sir Benjamin Hall who was responsible for the making of the clock when the new House of Parliament were being built.

2. Why is Big Ben extremely accurate?

Because of the officials from Greenwich observatory had checked its clock twice a day.

3. Why did Big Ben fail to give the correct time once?

Well ,a painter who had been working on the tower

,the tower hung a pot of paint on one of the hands and slowed it down!