Located in Pisa, the Leaning Tower of Pisa in Italy has become the sign of Italy. It is the third oldest structure in Pisa’s Cathedral Square. There eight floors in the Leaning Tower of Pisa including observation deck at the top. The weight of the tower is about 14,500 metric tons. There are amazing facts of the Leaning Tower of Pisa that we will mention here.
The Leaning Tower of Pisa was not originally intended to lean, but because it was built on soft soils the tower gradually leaned to one side. Prior to its restoration (修复) from 1990 to 2001, the tower had a tilt (倾斜) of 5.5 degrees. Many people think that it will fall one day. Millions of tourists come to the lawns around the tower to take the classic photo pretending to hold up or knock down the tower.
It is said that you must visit the Leaning Tower of Pisa during the day. At night the shops are closed and it appears unimpressive. But, if you plan to visit on a full moon night, the tower will look charming. Mornings are the best time to beat the crowds. Summer in Pisa is very hot and wet, but you can expect rain in fall and winter.
Even though some people regard the tower to be an engineering failure owing to the tilt, the tower has acquired a special place in history. The tower has also been used for experiments by the famous Italian scientist named Galileo Galilei. He is believed to have thrown two balls of different mass from the tower to prove that their falling time is not related to their mass.
On your tour you should not miss various places of interest near the Leaning Tower of Pisa including Lucca, Florence, and Santa Maria della Spina.
【小题1】What will you see if you go to Pisa’s Cathedral Square?

A．The Leaning Tower of Pisa standing in the middle.

B．More than one ancient structure to visit.

C．The Leaning Tower of Pisa covering a lot of space.

D．Pisa’s amazing buildings around the square.

【小题2】Why does the tower tend to lean to one side?

A．Because it was originally designed like that.

B．Because the base of the tower was not strong.

C．Because many people came to knock it down.

D．Because the builders used lots of soft soils.

【小题3】When will you visit the tower if you dislike being disturbed?

A．In summer.	B．At night.
C．In the morning.	D．In winter.

【小题4】What has made the tower much more famous?

A．It will fall to the ground in the soon future.

B．It is an obvious engineering failure.

C．Galileo once did experiments on the tower.

D．The restoration lasted more than ten years.

语法填空

The Dujiangyan is the oldest man-made water system in the world, and a wonder in the development of Chinese agriculture. 【小题1】（build）over 2,200 years ago in what is now Sichuan Province in Southwest China, this amazing engineering 【小题2】（achieve）is still used today.

In ancient times, the region where Dujiangyan now stands 【小题3】（suffer）from regular floods from the Minjiang River. 【小题4】（help）the victims of the flooding, Li Bing, 【小题5】 region governor, together with his son, decided to find a solution. Li designed a series of channels built at different levels along Mount Yulei that would take away the floodwaters while leaving the river flowing naturally. 【小题6】（good）still, the extra water could be directed to the dry Chengdu Plain, making 【小题7】 suitable for farming.

Once the system 【小题8】（finish）, no more floods happened and the people were able to live 【小题9】（peaceful）. Today, Dujiangyan is admired by scientists from around the world because of one feature. Unlike modern dams, 【小题10】 the water is blocked with a huge wall, Dujiangyan still lets waterflow through the Minjiang River naturally, making the ecosystem（生态系统）and fish populations exist in peace.