问题如下：
In a measurement of gross domestic product (GDP), which of the following is unlikely to be included?
选项：
A. the annual rent of a owner 's occupied house.
B. the annual salary of a teacher in the college.
C. noise pollution resulting from production.
解释：
C is correct
If the market value of production processes by-products are hard to calculate , they will not be included.
考点：GDP定义
解析：AB选项都包含在GDP的定义范畴。
C选项噪声污染难以以市场价值衡量，所以没有纳入GDP计算中。
我记得何老师上课强调过，租金说不算正GDP里的呀，这题是不是选项有误？