CT滤过器作用的关键在于
A.吸收低能量X线B.优化射线的能谱C.减少患者照射剂量D.使射线能量分布均匀E.使射线近似单一性
参考答案:A
男,35岁。近2年来头痛昏蒙,周身困重,胸脘痞满,恶心,呕吐痰涎,舌苔腻,脉滑。治疗应首选
A.半夏、天麻
B.苍术、厚朴
C.天麻、钩藤
D.秦艽、防己
E.藿香、佩兰
------What about going to the cinema this weekend?
------ I’d love to, but I have a lot to deal with. Let’s make it _________
A.the other day
B.another day
C.one day
D.some day