一般义齿基托树脂的线性收缩为
A.2%
B.小于0.2%
C.7%
D.0.2%~0.5%
E.大于0.5%
参考答案:D
They have never been to New York,__________? [ ]
A. have they
B. haven't they
C. don't they
D. do they
关于阿托品作用的叙述,正确的是
A.扩瞳、升高眼内压和调节麻痹B.扩瞳、降低眼内压和调节麻痹C.扩瞳、升高眼内压和调节痉挛D.缩瞳、降低眼内压和调节痉挛E.缩瞳、升高眼内压和调节痉挛