In the late 1980s, the population of sea otters in the North Pacific Ocean began to decline. Of the two plausible explanations for the decline—increased predation by killer whales or disease—disease is the more likely. After all, a concurrent sharp decline in the populations of seals and sea lions was almost certainly caused by a pollution-related disease, which could have spread to sea otters, whereas the population of killer whales did not change noticeably.
Which of the following, if true, most seriously weakens the reasoning?
AA:The budget committee proposed that Jetsam software design company switch 20% workforce to temporary labor, by citing the fact that automobile industry applied this mode and achieve great profit.
AI:Government should not impose regulations on businesses and organization, because self-regulation will make business achieve the most efficiency.
98. m is an integer, f and g are factors of m, which of the following must be an interger? I m/(f+g)
II m/(fg) III f/g 参考答案: 思路: 如2,3 为6的因子 选II的前提是f,g都小于m,如果等于6的因子(1,2,3,6),6/(3×6),考试时仔细确认吧
有这道,不过我选none
愈发:有一道倒装, 未划线部分是only in korea...... 我选了 do women have less 平行结构:embraced...., gathered....., and then erected...... 这道比较阴险, 想起一道,考了“夹心饼干”结构
服务业和制造商是这样的结构吗? 现象:经济生产率增长缓慢,原因:占经济大比例的服务业生产率下降(虽然制造业上升,但其只占一小部分) 产生该原因的原因: 1、服务业的traditional measures没能真反映其生产率(制造业相反) 2、制造业在面对外国竞争时,工作更加有效率,而服务业相对竞争弱,没有此现象。 ? However, overstate, 制造业在此过程中因为slow growth in demand失业的数目更多。 3、财政赤字高?利率高?没有更多的投资于服务业中?降低生产率 ?however, 并不缺乏资源,真正原因为:某些forces( such as corporate takeovers and unnecessary governmental regulation)?使managers分心,不能最大地利用可用资源