1. (2021高三上·浙江开学考) 阅读理解

Shanghai residents passing through the city's eastern Huangpu district in October might have astonished at an unusual sight: a “walking” building. An 85-year-old primary school has been lifted off the ground and relocated using new technology named the “walking machine.”

In the city's latest effort to preserve historic structures, engineers attached nearly 200 mobile supports under the five-story building, according to Lan Wuji, chief technical supervisor (技术总监) of the project. The supports act like robotic legs. They're divided into two groups which alternately rise up and down, imitating the human pace. Attached sensors help control how the building moves forward, said Lan.

In recent decades, China's rapid modernization has seen many historic buildings razed to clear land for high-rise buildings. But there has been growing concern about the architectural heritage lost as a result of destruction across the country. Some cities have launched new preservation and conservation campaigns including, on occasion, the use of advanced technologies that allow old buildings to be relocated rather than destroyed.

Shanghai has possibly been China's most progressive city when it comes to heritage preservation. The survival of a number of 1930s buildings in the famous Bund district and 19th-century “Shikumen” houses in the rebuilt Xintiandi neighborhood have offered examples of how to give old buildings new life. The city also has a satisfying record of relocating old buildings. In 2018, the city relocated a 90-year-old building in Hongkou district, in what was then considered to be Shanghai's most complex relocation project to date.

The Lagena Primary School, which weighs 7,600 tons, posed a new challenge-it's T-shaped, while previously relocated structures were square or four-sided. Experts met to discuss possibilities and test a number of different technologies before deciding on the “walking machine”, Lan said. However, he couldn't share the exact cost of the project, and that relocation costs will differ case by case. “It can't be used as a reference, because we have to preserve the historical building no matter what,” he said. “But in general, it's cheaper than destroying and then rebuilding something in a new location.”

1. （1） How does the “walking” machine work?

   A . It uses hundreds of ropes to lift up the entire building. B . It uses many wheels to roll the building to the new place. C . It lifts off the building story by story with the robotic legs. D . It uses sensors to control the movement of mobile supports.
3. （2） What does the underlined word “razed” probably mean in Paragraph 3?

   A . replaced B . burnt C . protected D . destroyed
5. （3） According to paragraph 3-4, what can we infer about the heritage preservation in China?

   A . The use of advanced technology leads to growing concern. B . Shanghai is the pioneer in preserving architectural heritage. C . The local government has already taken action since the 1930s. D . It consequently holds back the progress of modernization.
7. （4） Which of the following can be the best title of the passage?

   A . New preservation campaigns are launched in China. B . Modernization poses threats to historic buildings. C . A building in Shanghai “walks” to a new location. D . “Walking machine” makes heritage protection cheaper.