单选题 Exports of United States wood pulp will rise considerably during this year. The reason for the rise is that the falling value of the dollar will make it cheaper for paper manufacturers in Japan and Western Europe to buy American wood pulp than to get it from any other source.
Which of the following is an assumption made in drawing the conclusion above?

A、 Factory output of paper products in Japan and Western Europe will increase sharply during this year.
B、 The quality of the wood pulp produced in the United States would be adequate for the purposes of Japanese and Western European paper manufacturers.
C、 Paper manufacturers in Japan and Western Europe would prefer to use wood pulp produced in the United States if cost were not a factor.
D、 Demand for paper products made in Japan and Western Europe will not increase sharply during this year.
E、 (E) Production of wood pulp by United States companies will not increase sharply during this year.

【正确答案】 B

【答案解析】[解析] 本题为重点题目，属于典型的“B，A”型的假设，答案思路应为“除了A以外没有别的原因可以影响B”，因此应用否定概念去定位选项。(B)说明没有质量不合乎目的的情况，可以作为一个很好的假设，属于没有否定词的否定答案，可以对(B)取非验证。