阅读下列四篇短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该选项涂黑。
A
“My kids really understand solar and earth-heat energy,” says a second-grade teacher in Saugus , California . “Some of them are building solar collectors for their energy course.” These young scientists are part of City Building Educational Program (CBEP), a particular program for kindergarten through twelfth grade that uses the stages of city planning to teach basic reading , writing and math skills , and more .
The children don’t just plan any city. They map and analyze the housing , energy, and transportation requirements of their own district and foretell its needs in 100 year
