设备内的实际压力小于大气压力时,此时的压力称为()。
参考答案:真空度
单词拼写(每空一词,每小题1分,满分10分)
小题1:Many _____________ (残疾的) people have worked wonders.
小题2:Annie’s __________(协助) changed Helen from a deaf-blind child into a remarkable writer.
小题3:Sunshine is b___________(有益的) to the health.
小题4:When her husband died, she received many letters and calls of ____________ (同情) .
小题5:The well-known singer was a______________ on the piano by Langlang .
小题6:The ____________ (年度的)death rate in the United States is 11 per100.
小题7:He ____________ (逃离)his village to join the army when he was 17.
小题8:He told the police about the accident as he w____________ it on his way home.
小题9:Education should not be considered to be a ______________(特权) in modern society.
某患者诉说在单位妇科普查时确诊“子宫颈Ⅱ度糜烂”,护土应告知她疗效较好、疗程最短的治疗方法是
A.宫颈上药B. * * 冲洗C.物理疗法D.手术治疗E.局部用硝酸银