Question

    Professor Sun Jun, aged 93 in 2018, has devoted his life to working on China’s giant construction projects, including the Qinghai-Tibet highway, Three Gorges Dam, and the Yangtze River Tunnel. In his latest project, the Tongji University academic served as a senior adviser on the construction of the Hong Kong-Zhuhai-Macao Bridge.

Under the guidance of Sun, Xu Wei, a professor in Tonji and Sun’s student, took over technical assistance for the construction of the bridge. “Every time I saw Sun and other professors working on the bridge,I felt at ease,” said Lin Ming, the general project manager. Lin initially invited an experienced Dutch company to serve as the technical assistant for the project. The company wanted to charge US $171million. He then asked for help from Xu along with experts in Tongji University.

The methods developed by Tongji University reduced the impact of the bridge on the Chinese white dolphin, which is under first class state protection. The key challenge during the construction of the bridge was the 6.7-km underwater tunnel, the world’s longest and deepest undersea tunnel. Ding Wenqi, who was nicknamed the “ tunnel expert” , was asked to ensure the tubes be connected perfectly—even under the influences of land subsidence (下沉), water pressure and tide movement. Hu Xiangdong, another professor with Tongji, developed a method to freeze the earth around the tunnel to prevent water leakage and land subsidence during the digging of the most challenging 2-km section of the tunnel.

The tunnel section of the project was completed in May 2017. Sun was invited to visit the near-completed bridge again in February 2018. The expert said he felt the most relaxed this time since most of the challenges have been conquered. “In the next step, we should focus on how to make the two artificial islands more beautiful and attract travelers,” Sun said.

Xu said all the staff in my office took a great pride in watching the TV news of the bridge’s official opening on Wednesday.

1.What is Professor Sun’s contribution to the bridge?

A. He worked in Tongji University.

B. He was the general project manager.

C. He gave much advice on the project.

D. He took over the technical assistance.

2.Why did Lin Ming ask for help from experts in Tongji University?

A. The Dutch company charged too much.

B. The technical assistant had too much trouble.

C. Tongji University did best in the giant projects.

D. He felt relaxed to see professors working on the bridge.

3.What’s the greatest trouble in building the bridge?

A. Protecting the Chinese white dolphin.

B. Constructing the longest & deepest undersea tunnel.

C. Controlling the water pressure.

D. Preventing the tide.

4.How did the expert stop water leaking in building the undersea tunnel?

A. By keeping the tide moving.

B. By digging deep into the sea.

C. By increasing the water pressure.

D. By freezing the nearby earth around the tunnel.

Answer

1.C

2.A

3.B

4.D

【解析】

港珠澳大桥建成正式通车，这一世纪工程的建成离不开所有参与者的智慧与汗水。在荷兰一公司的刁难下，同济大学的专家们积极献策，他们反复研究、试验，攻破了港珠澳大桥建设的重重技术难关，创造了世界奇迹。

1.推理判断题。根据第一段最后一句的the Tongji University academic served as a senior adviser on the construction of the Hong Kong-Zhuhai-Macao Bridge可知他是港珠澳大桥的 高级顾问，因此他应该为这个工程的建设提供了许多建议。故选C。

2.推理判断题。根据第二段第四、五句The company wanted to charge US $ 171million. He then asked for help from Xu along with experts in Tongji University.可知是因为荷兰公司要价太高，工程总经理才求助同济大学的专家的。故选A。

3.细节理解题。根据第三段前两句话判断。句意:同济大学开发的方法减少了大桥对处于国家一级保护下的中华白海豚的影响。大桥建造过程中的一个关键挑战是6.7公里的海底隧道，这是世界上最长和最深的海底隧道，故选B。

4.细节理解题。根据第三段第四句的 Hu Xiangdong, another professor with Tongji, developed a method to freeze the earth around the tunnel to prevent water leakage可知该专家通过冰冻隧道周围的泥土的方法来防止漏水。故选D。