动态分析法
参考答案：
是指把反映经济现象发展变化得一系列数字，按时间先后顺序排列，组成的一组动态数列进行分析的一种方法。
There are seven _______ in a week.[ ]
A. day
B. days
C. daies
D. month
—Where would you like to go on vacation?
—I'd like to go ________.[ ]
A. somewhere relaxing
B. relaxed somewhere
C. somewhere relaxed
D. relaxing somewhere
