脑型血吸虫病的病因治疗首选__________。
参考答案:吡喹酮
显效最慢的平喘药是
A.沙丁氨醇
B.麻黄碱
C.氨茶碱
D.异丙肾上腺素
E.色甘酸钠
—What color is pencil?
—It's red. [ ]
A. his
B. you
C. I
D. she