Section1
    上期復習
    Like an argument between parents distresses children, the angry confrontation between the managers made others in the room uncomfortable.
    面對, 對質(zhì), 對抗
    Section2 本單元復習
    Just as research helps scientists make educated guesses, the information about the problem led them to make several intelligent deductions about its cause.
    (a) chemicals (b) more money (c) conclusions (d) none of the above
    答案:(d) none of the above