A. Americans are too attached to their cars B. public transportation in America is well-developed C. American cars are too fast D. automobiles endanger health 参考答案:D 答案解析:主旨大意题。见文章的第一句话。是全文的主题句。指明了健康的头号敌人就是汽车,并且,在后面的段落中,指出了其原因及解决办法,故选项D是正确的。
第29题: [单项选择]双眼睑皮下青紫,逐渐加重()。 A. 前颅凹骨折 B. 中颅凹骨折 C. 后颅凹骨折 D. 上颌骨骨折 E. 颞骨骨折 参考答案:A
第30题: [单项选择]景天三七除化瘀止血外,还有的功效是() A. 利尿通淋 B. 宁心安神 C. 凉血通经 D. 生津止呕 E. 活血定痛 参考答案:B
第31题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. Who is going to do the dishes. B. Who is going to sweep the floor. C. What program is on TV. D. What they are going to do. 参考答案:A 答案解析:[听力原文] W: Can you do the dishes, honey I am so tired after the cooking. M: But I’ve already s