第22题: [单项选择]大气运动最简单的形式是() A. 热力环流 B. 大气环流 C. 三圈环流 D. 季风环流 参考答案:A 答案解析:
根据书本知识:大气运动最简单的形式为热力环流,选A项。
考点:热力环流在大气运动中的地位。
第23题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. To cheek the accuracy of scales. B. To see the quality of other metals. C. To measure changes in the air. D. To measure the length of metal. 参考答案:A 答案解析:[听力原文] How was the standard weight used by the government