U19-3/ 下列有关墨西哥亡灵节的说法正确的有: A: Mexicans decorate their homes with playful imagery of animated human skeletons. B: Mexicans leave offerings of food for wandering spirits. C: Mexicans tend the graves of their deceased relatives. D: Mexicans believe that the real death means no one in the world remembers you.

Mexicans believe that the real death is ...world remembers you.

Mexicans believe that the real death is not physical death, but no one in the world remembers you.

The Mexicans are ________ from crossing the national boundary. A: imposed B: thrown C: banned D: dwarfed

The<br/>Mexicans are ________ from crossing the national boundary. A: imposed B: thrown C: banned D: dwarfed

The Mexicans are<br/>________ from crossing the national boundary. A: imposed B: thrown C: banned D: dwarfed

Which of the followings is NOT the content of the agreement(). A: The Mexican travelers are permitted to enter America without being photographed. B: The Mexican travelers can travel into America with only identification documents. C: The Mexican travelers can travel to America much more conveniently than before. D: The restrictions on all Mexicans visiting the United States will be eased.

四. 段落翻译All around the world， large cities have the same problem：air pollution．Mexico City has very bad air．The air there is dirty and very unhealthy．Cars are one reason for the dirty air．Many Mexicans own their own cars and drive in the city．The factories in the area also cause air pollution．It is not easy to clean up the air in large cities．The government has to make new laws．