在我国，对国家鼓励发展但受能源约束的项目投资，固定资产投资方向调节税适用的税率为__

While managing the separation anxiety during hospitalization for a two-year-old boy, which of the following suggestions would be most helpful to the parents

A. Tell the child the time they are leaving and returning.
B. Bring the child’s favorite toys from home.
C. Leave while the child is sleeping.
D. Keep the visit time short.

地榆炒炭的主要作用是

A．泻下通便

B．消积化瘀

C．润肺止咳

D．凉血解毒

E．收敛止血

患者大便溏泻，稍进油腻之物则大便次数增多，饮食减少，脘腹胀闷不舒，面色萎黄，肢倦乏力，舌淡苔白，脉濡弱。其证候是

A．脾虚不运
B．脾胃不和
C．脾胃虚弱
D．脾胃阳虚
E．肾阳虚衰

头两侧疼痛，属

A．太阳经

B．阳明经

C．少阳经

D．太阴经

E．少阴经

厂商利润最大化的充要条件为MR=MC。