解析：
本文選自國外網(wǎng)站www.slate.com上面的一篇文章，主標題為“Trade Is the New Plastics”，副標題為Young Americans need to learn to sell and buy overseas. 講的是關于美國貿(mào)易方面的問題，屬于閱讀題常考的經(jīng)濟方面的話題范圍。
從難度上來講，本文不算是一篇很難的閱讀題，涉及到的陌生詞和比較偏的單詞并不是太多。但是考生在做題的時候，還是要保持謹慎。
在答題的時候，大家還是按照以往的做題方式，先通過題目中的關鍵詞到原文中定位。在定位的時候，可以略讀，但要抓住重要信息點。此外，but等轉折詞之后會是經(jīng)�？嫉降目键c，因此，53題則通過“But there's another way of looking at the trade data. Over the past two years, the figures on imports and exports seem not to signal a double-dip recession。。。but an economic expansion.”這一句的信息點選出答案。
54題則定位到“The rising tide of trade is also good news for people who work in trade-sensitive businesses, especially those that produce commodities for which global demand sets the price—agricultural goods, mining, metals, oil.”
55題，考生要特別注意，不可因為“One great challenge for the U.S. economy is slack domestic consumer demand.”這一句中有slack一詞，就錯誤的選擇了D。其實正確答案是C選項。
56.題考查作者的建議，主要是擴大市場份額。因此答案選B。

53. A It indicates that economic activities in the US have increased.考試網(wǎng)(www．Examw。com)
54. C Producers of agricultural goods and raw materials
55. C People’s reluctance to spend
56. B To increase their market share overseas.