交感缩血管神经节后纤维释放的递质是
A. 去甲肾上腺素
B. 肾上腺素
C. 乙酰胆碱
D. 升压素
E. 血管紧张素Ⅱ
46.Thelowest price for the goods in the book fair is .A) 1 dollarB)half a dollarC)25 centsD) 14 cents
A. 1 dollar
B. half a dollar
C. 25 cents
D. 14 cents
47. Where is the book fair held?A) In a library.B)In a bookstore.C)In a local college.D) At a village.
A. In a library.
B. In a bookstore.
C. In a local college.
D. At a village.
与老年性聋无关的疾病因素有()
A. 高血压
B. 冠心病
C. 骨关节炎
D. 高脂血症
E. 糖尿病