选择题：28. 心悸不常见于下列哪个证:( )(本题2.0分)A、 心肾阳虚证B、 肾气不固证C、 心脉痹阻

厂商部门是（）。选择一项或多项：A. 劳务的提供者B. 生产要素的消费者C. 商品的消费者D. 劳务的消费者E. 商品的提供者

His wife told him that the kitchen ____ cleaned by the sweeper. ( )(本题2.5分) A、 w

I want you to be very _______when you look in the park for the missing woman so

Which of the following statements is TRUE according to the passage? ( )(本题2.5分)

预算线的位置和斜率取决于（ ）选择一项或多项：A. 商品的价格B. 消费者的收入C. 消费者的偏好D. 消费者的成本E. 消费者的边际效用