24.(Correct mistakes) It is
(a) obviously a large potential payoff
(b) in being able to detect current trends and to
forecast future ones
(c), which provide a baseline from which judgment can be
made about
(d) turning points.
答案:登入後查看
統計: A(31), B(16), C(23), D(50), E(0) #571487
統計: A(31), B(16), C(23), D(50), E(0) #571487