政策方案的评估主要有下列哪些方法（）
A、预测性评估
B、可行性评估
C、效果性评估
D、社会认同性评估
E、优劣性评估
参考答案：A, B
清营汤的组成药物中含有( )
A．玄参丹参B．黄芩黄柏C．丹皮芍药D．石膏知母E．竹叶麦冬
— What do you think of your last ______?
—I had a very scary experience in the mountains. I won’t go there again.
A．assistant
B．trip
C．study
D．Examination
