第17题: [单项选择]航空器所携带的航行备用油量少于规定数量时,应()。 A. 禁止放行航空器 B. 由公司值班首长同意,可以放行航空器 C. 航线、起降航站天气均有把握,可以放行航空器 参考答案:A
第18题: [单项选择]Questions 26 to 28 are based on the passage you have just heard. A. He was trained as an electronics engineer. B. He was trained as a mechanical engineer. C. He was trained as a communication engineer. D. He was trained as a nuclear engineer. 参考答案:A 答案解析:[听力原文] 26-28 At sixteen, Henry Vincent was separated from his family as a result of the war.