鼻咽癌Ⅰ期患者的初发症状,最常见的是()。
A.头痛
B.鼻塞
C.听力下降
D.涕血
E.耳鸣
参考答案:D
解析:鼻咽癌起病隐匿,一般涕中带血为首诊症状。
______provided the methodological foundation for materials for the teaching and its principles formed the basis of such widely used series as English 900 and Success With English.
A. The Direct Method B. The Oral ApproachC. The Audiolingual Method D. The Communicative Approach
按《锅炉产品安全质量监督检验规则》的规定,监检过的产品存在哪些问题为监检失职?