【单选题】Smith is considering a project: A machine whose cost is $4000 is required to start this project; annual net cash flow from this project is $1000, and the life of the project is 5 years. If your requir...
【单选题】The keynote of Li He’s poetry is to take ______ as a point of departure, and to feel, to experience, and to resist the suppression of men from nature and society.