[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
第26题: [单项选择]下列关于制药环境空气净化的叙述,不正确的是() A. 洁净车间宜选用层流型洁净系统 B. 10000级洁净室的洁净度高于100级 C. 不同级别的洁净车间适应不同剂型和不同工艺的要求 D. 洁净车间内气压须稍大于一个大气压 E. 洁净车间内有适宜的温度和湿度 参考答案:B 答案解析: