第5题: [单项选择]C类空域指()。 A. 低空管制区 B. 是中低空管制空域与塔台管制空域之间的连接部分,其垂直范围通常在6600米(含)以下最低高度层以上 C. 一个或几个机场附近的航路汇合处划设的便于进场和离场航空器飞行的管制空域 D. 此空域内飞行的航空器,只能按照仪表飞行规则飞行 参考答案:C
第15题: [单项选择]Which of the following can be inferred about the first trumpet players A. They could not play all the notes of the scale.. B. They were not able to pick up the trumpet. C. They could not play simple tunes. D. They had difficulty improving upon the trumpet. 参考答案:A 答案解析:[参考译文] 从文中可以推断出最初的小号演奏者的什么情况
[试题分析] 本题是语义辨析题。
[详细解答] 文中第二段指出;“They wanted to create an instrument