国际天然橡胶协定的经济条款是采用（）方法干预市场和稳定价格的。
参考答案：缓冲存货
— It's said that John will be in a job paying over $60,000 ______ year.
— Right, he will also get paid by ______ week. [ ]
A. a; the
B. the; the
C. the; a
D. a; a
