AWA

AA: local clothing stores got lower profit between August and October, while home products stores got higher profit. So a manager recommends the department store should increase the size of its homehold products department.

AI:  政府不应该对环保负责

Reading

(1) Marx's theory about the relationship between technology and unemployment

(2) Experiment on Starling's mimic behavior

Math

(1) DS: r≠0, what is the value of s? E

    a. s-9=r-9

b. s²=4

(2) ABCDEFG序列转换。首先是BCDAGEF，问多少次转换后回到最先状态? 12

(3) x, y ≠0, what is y/x? E

a. 2y-3q=20

b. y²=q²

(4) 有关通项公式的题目比较多