GWD-12-Q35 to Q37:

      Many economists believe that a

       high rate of business savings in the

       United States is a necessary precursor

Line       to investment, because business sav-

  (5)      ings, as opposed to personal savings,

comprise almost three-quarters of the

national savings rate, and the national

savings rate heavily influences the

overall rate of business investment.

 (10)      These economists further postulate

that real interest rates—the difference

between the rates charged by lenders

and the inflation rates—will be low when

national savings exceed business

 (15)      investment (creating a savings surplus),

and high when national savings fall

below the level of business investment

(creating a savings deficit ).  However,

during the 1960’s real interest rates

 (20)      were often higher when the national

       savings surplus was large.  Counter-

       intuitive behavior also occurred when

real interest rates skyrocketed from

2 percent in 1980 to 7 percent in 1982,

 (25)      even though national savings and

investments were roughly equal

throughout the period.  Clearly, real

interest rates respond to influences

other than the savings/investment

 (30)      nexus.  Indeed, real interest rates may

themselves influence swings in the

savings and investment rates.  As real

       interest rates shot up after 1979, for-

eign investors poured capital into the

 (35)     United States, the price of domestic

goods increased prohibitively abroad,

and the price of foreign-made goods

became lower in the United States.  As

      a result, domestic economic activity

 (40)     and the ability of businesses to save

and invest were restrained.

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Q35:

The passage is primarily concerned with

1. contrasting trends in two historical periods

2. presenting evidence that calls into question certain beliefs

3. explaining the reasons for a common phenomenon

4. criticizing evidence offered in support of a well-respected belief

5. comparing conflicting interpretations of a theory

答案是B 为什么C不对？我认为文章不是仅仅简单地present evidence,而是作出了一些解释（比如最后一段国外游资进入本国市场。。。）