酒店新产品开发策略包括以下几种()。
A.宽窄结合策略
B.长短结合策略
C.主导产品策略
D.高低结合策略
E.创新与模仿策略
参考答案:B, C, D, E
巴豆内服的剂量是()。
A.0.3~0.6g
B.0.7~0.9g
C.0.1~0.3g
D.0.01~0.03g
E.5~10g
Conjunctivitis may be caused by bacteria, viruses, allergens, or irritants. What signs and symptoms differentiate bacterial conjunctivitis from other types ?()
A.Subacute onset, severe pain, and preauricular adenopathy.
B.Recurrent onset, no pain, and clear discharge.
C.Acute onset, moderate pain, and purulent discharge.
D.Acute onset, mild pain, and clear discharge.