斜楔夹紧的工作原理是利用其斜面移动时所产生的压力楔紧工件的。( )
参考答案：对
Applicants will be asked to provide information on how they will disseminate information to other students at their university or college.
A．disclose
B．deliver
C．spread
D．analyze
贝母瓜蒌散的功用是（）
A.化痰息风，健脾祛湿
B.清肺化痰，散结排脓
C.疏风宣肺，化痰止咳
D.清热化痰，平肝息风
E.润肺清热，理气化痰
