凝汽器水质恶化的可能是因为()、()等原因。
参考答案:冷却水管胀口不严、冷却水管漏泄
Questions 1-4
Which of the following is NOT an aim set by the parliament for the study circle?()
A.To raise funds for the disadvantaged.
B.To further individuals’ own creativity.
C.To broaden participants’ interest in culture.
D.To narrow and bridge educational gaps.
患者,男,50岁,觉咽喉部不适,异物感3个月。近半月来干咳,偶尔痰中带血,但量不多;有时喉痛,吞咽不畅。
下一步最需要的检查是()。
A.活检
B.涂片,细胞学检查
C.胸片检查
D.喉部CT检查
E.颈部MRI检查
F.纤维喉镜检查