存在于所有线路,也是直线和大曲线轨道上主要磨耗形式的是()。
A.垂直磨耗
B.侧面磨耗
C.波浪形磨耗
D.波纹形磨耗
参考答案:A
根据文章大意和首字母提示,填写单词,使短文通顺、完整。每空限填一词,并将完整的单词写在文章后的答题线上。
At 8:30 in the morning, the body of a man was found. Someone murdered(谋杀)him. A small (1) k____________ was found near the body. Maybe the murder used that knife. The police doctor said, “The man (2) d____________ about eight hours ago.” So the murder had possibly happened between midnight (3)a____________ one o’clock.
The police questioned three men. They didn’t tell the three men about the murder. The first man said he had been at home the whole evening and was (4) r____________ magazines, (5) t____________ he went to bed early.
The (6) s____________ man told the police that he had spent the evening with some of his friends. They had been to cinema together. He got home at about 11 o’clock.
The third man said he didn’t know (7) a____________ about the murder. He also said he didn’t have a knife. Of course the police (8) e____________ found out who the murder was.
对老年体弱的慢性阻塞性肺气肿患者的治疗中不恰当的是()
A.急性发作期以抗感染为主
B.痰液黏稠者可雾化吸入
C.剧烈咳嗽者可用强镇咳剂缓解痛苦
D.病情缓解期可做全身锻炼和呼吸肌锻炼
E.应给予高蛋白、高维生素饮食