全口义齿基托与唾液或黏膜与唾液之间产生的吸力称为
A．大气压力
B．黏着力
C．附着力
D．摩擦力
E．内阻力
参考答案：C
I finally got the job I dreamed about. Never in all my life ________ so happy!
A．did I feel
B．I felt
C．I had felt
D．had I felt
工艺美术运动简述
