河北加拿大版初中英语--Lesson 35:Born to Bike

Lesson 35:Born to Bike
[00:04.99]What was the first bicycle like?Bicycle means "two wheels."
[00:12.12]The first bicycle had two wheels,but no pedals
[00:18.78]You pushed it along with your feet.It was heavy and had wooden wheels.
[00:27.04]The first bicycle was probably invented in Germany in 1816.
[00:35.60]In 1838,a man from the U.K.invented pedals.
[00:43.65]Why did early bicycles have big wheels?
[00:48.33]Your legs can move a big wheel more easily than a small wheel.
[00:55.69]Bicycles with big front wheels were called "penny-farthings."
[01:02.77]The front wheel was 1.5 metres across.
[01:08.94]The seat was above the front wheel.
[01:13.90]This made it difficult to get on and off the bicycle,but it was easy to pedal
[01:22.76]When was the first modern bicycle?
[01:27.80]The modern bicycle was invented in 1876 in England.
[01:35.76]By 1900,bicycles had tires filled with air.
[01:42.53]Air-filled tires made bicycles more comfortable to ride.
[01:48.77]Today's bicycles look the same as bicycles from 1900,but they are lighter¹
[01:57.03]They all have hollow frames.
[02:01.29]FASCINATING FACT
[02:04.94]Did you know that people in Chinause bicycles more than people in any other country?
[02:13.72]May I get on the bicycle? All right!Let's go!
[02:20.17]I'd like to get off the bicycle,now. Oh.All right.
 

1 lighter   

n.打火机，点火器；驳船；v.用驳船运送；light的比较级

参考例句：

• The portrait was touched up so as to make it lighter.这张画经过润色，色调明朗了一些。
• The lighter works off the car battery.引燃器利用汽车蓄电池打火。