The United States is well-known for its network of major highway

The United States is well-known for its network of major highways designed to help a driver get from one place to another in the shortest possible time. ___26___ these wide modem roads are generally smooth and well maintained, with___27___ sharp curves and many straight sections, a direct route is not always the most ___28___ one. Large highways often pass___29___ scenic areas and interesting small towns. Furthermore, these highways generally ___30___ large urban centers which are crowded with ___31___ traffic during rush hours, ___32___ the "fast, direct way becomes a very slow route. However, there is___33___ always another route to take __34____ you are not in a hurry. Not far from the relatively new "superhighways", there are often older, ___35___ heavily traveled roads which go through the countryside. ___36___ of these are good two-lane roads; others are uneven roads___37___ through the country. Through these less direct routes, longer and slower, they generally go to places___38___ the air is clean and the scenery is beautiful, and the driver may have a ___39___ to get a fresh, clean___40___ of the world.
回答第28空
A、terrible
B、possible
C、enjoyable
D、profitable
【正确答案】：C
【题目解析】：本题考查形容词辨析。通读全文,文章最后一句提到这些不是直达的路线,虽然又长又慢,但人们通常可以去到一些空气清新、风景优美的地方。所以一个直达的路线并不总是最让人感到开心的。terrible意为“糟糕的”;possible意为“可能的”;enjoyable意为“令人愉快的”;profitable意为“有利可图的”。故选C。