Kennedy一类牙列缺损指()。
A.单侧游离缺失
B.双侧游离缺失
C.后牙非游离缺失
D.前牙缺失
E.前后牙均有缺失
参考答案:B
Ten minutes had been made full ____ of ____ the problem.
A.using; studying
B.use; to study
C.to use; to study
D.use; studying
日本人对()情有独钟,万带兰、蝴蝶兰也颇受青眯,但认为荷花不吉祥。
A、丁香和百合
B、月季和樱花
C、郁金香
D、杜鹃花