A材料题回答31-40题American Roads 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. Although these wide modern __31__ are generally smooth well maintained, with few sharp curves straight sections a direct route is not always the most __32__ one. Large highways often pass by scenic areas interesting __33__ Furthermore these highways generally connect large urban centers which __34__ that they become crowded with heavy traffic during rush honey the "fast direct" route becomes a very slow route. However, there is almost always another route to take __35__ you are not in a hurry. Not far from the __36__ new "superhighways there are often older, __37__heavily traveads which go through the countryside. Some of these are good two-lane roads； others are uneven roads curving through the country. These secondary routes may go __38__ steep slopes, along high cliffs, or down frightening hillside to towns __39__ in deep valleys. Through these less direct routes, longer slower they , they generally go to places __40__ the air is clean scenery is beautiful, the driver may have a chance to get a fresh clean view of the world.31[单选题] 请在第__31__处填上正确答案。 查看材料A.less
