第二部分阅读(共三节，满分40分)第一节阅读理解(共10小题；每小题2分，满分20分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。A Fifty miles east of Seattle,a bridge crosses one part of a busy state highway known as Snoqualmic Pass.It is no ordinary bridge meant for vehicles or passers-by.Covered in soil, stones, and seedlings(幼苗), it aims to transport wild animals from one side of the highway to the other-and it's working.Since 2018, when the bridge opened and the first animal,a coyote(郊狼), raced over the highway below, the structure has carried creatures as large as elk and as small as toads.And it should attract even more users as the seedings grow into trees and animals get used to its presence.“As we get more shade, it's going to be different,”says Patty,a wildlife biologist.“Hopefully someday well see the exact same species up here as we see in the forest.”The Snoqualmic Pass bridge is one example of wildlife crossings that help animals cross busy roads.Crossings come in a variety of shapes and sizes, from overpasses for bears to underpasses for salaman