若销售量增长5%,零售价格增长2%,则商品销售额增长()。
A.7%
B.10%
C.7.1%
D.15%
参考答案:C
If any accident ______ here tomorrow, it will be very serious.
A.happens
B.will be happened
C.will happen
D.is happened
男性患者,30岁,主诉:右面部弥漫性疼痛2天;对于鉴别是否为牙源性疼痛最有价值的检查手段是()
A.照曲面体层片
B.叩诊和牙髓电活力检查
C.选择性麻醉
D.问诊和探诊
E.牙齿松动度检查