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Nearly 600 years ago in Beijing，some workers made an excellent bell（鐘，鈴）．It was 6.75 metres high，3.3 metres in diameter（直徑）and 46.5 tons（噸）in weight．Its loud and clear sound could be heard 50 kilometres away at night when everything was quiet．Even now it would be very difficult to make such a wonderful bell．

But then there was a problem：how could they move it to the temple? The big bell was made in their factory：The temple was on the other side of the city．They had to move it through the streets across the city．At that time they had no machine to lift it or move it for such a long way．

Finally they had an idea：they dug（挖）a small river from their factory to the temple．Then they poured water into it．In winter the water in the small river froze to make an “ice road”．They tied thick wood to the bottom of the bell，pulled the bell to the ice and skated it along on top of the ice to the temple．

This wonderful bell，named the Yong Le Bell，is the largest one in China．Now it is stored in the Great Bell Temple in the west of Beijing．

1．Which sentence is TRUE about the Yong Le Bell?

A．It had loud and clear sound．                   B．It was made more than 600 years ago．

C．It was 6.75 tons in weight．                        D．At that time it was very easy to make it．

2．Which of the following is UNNECESSARY for the workers to move the bell?

A．The small river．                                     B．Cold weather．

C．The thick wood．                                      D．Quiet night．

3．What does the underlined word “froze” mean?

A．融化                   B．上凍                    C．上漲                   D．下降

4．What’s the main idea of this passage?

A．How the bell was moved．                       B．How the bell was made．

C．Who made the bell．                                   D．Where the bell was made．