Ecosystem service values can be divided into use values and non-use values. Where use values include ( ).
A: direct value
B: indirect value
C: option value
D: existence value
A: direct value
B: indirect value
C: option value
D: existence value
举一反三
- Which of the following statement is correct? A: Values are fixed and unchangeable. B: Value is personal. Audience’s perception of value is not important. C: Values are fluid. D: Values are universal.
- What are the customer values? A: Purchase value B: Word of mouth value C: Transaction value D: knowledge value
- Underlying these values is an even more _________ value that permeates every one of them.
- The arithmetic mean is computed by ( ) A: finding the value that occurs most often B: finding the middle observation and dividing by 2 C: summing the values and dividing by the number of values. D: selecting the value in the middle of the data set.
- 18. He thinks that two values are attached ___ the act of buying something, with a material value on the one end and a moral value on the other.