以下哪种情况不会影响面部外形()
A.偏侧咀嚼
B.牙列缺损
C.牙列缺失
D.后牙早失
E.个别牙牙体缺损
参考答案:E
—Mum, doing homework all the time makes me a dull. What about going for a picnic?
—________. [ ]
A. Help yourself
B. Good idea
C. You're welcome
慢性粒细胞白血病细胞中出现Ph染色体的有()
A.90%以上
B.80%以上
C.50%以上
D.30%以上
E.70%以上