控释制剂的作用原理是影响药物的
A.扩散
B.溶解
C.渗透压
D.解离
E.排泄
参考答案:A,B
解析: 本题考查控释制剂设计原理。注:2007年版大纲中无此考点。
He had ________ that he had difficulty finding a job.
A.so little education
B.such little education
C.such a little education
D.so a little education
应考虑的治疗是
A.颏枕吊带牵引
B.激素治疗
C.痛点局封
D.手术
E.颈托围领