almost the same as in 1917.

　　B．Because the economic growth has widened the gap of the family income between the rich and the poor.

　　C．Because income in the US is still concentrated in the hands of the richest 10% of American families.

　　D．Because some Americans made great fortunes during the Second World War.

　　A　[推理判断题。根据文章第二段第三句"The most striking aspect of income distribution is that it has not changed significantly since the end of World War Ⅱ"可推知此题答案为A。]

　　4．What can we learn from comparison of the two poverty lines in the last paragraph?

　　A．The poverty line of 1918 is more favourable to the poor than that of 1981.

　　B．The 1981 line didn't leave much to the poor.

　　C．There were more Americans who were officially poor by the 1981 line.

　　D．There were more Americans who were officially poor by the 1918 line.

　　C　[推理判断题。文章最后一段说：1981年与1918年所统计的贫困户的数量的比较。由第二句及第五句可知此题答案为C。]

　　Ⅱ.阅读七选五

　　Ways to Take Care of Your Books

　　What do you do to take care of the books in your library? Some collectors(收藏者) refuse to read the books in their collection; so the books remain in good condition.Others buy two copies of a book: they read one and leave the other untouched.However many readers must read their books but they still want to protect. 1

　　Avoid Writing.

　　You may have been told to write in your books or even to underline words, phrases, and paragraphs.But if you plan to keep the book, add it to your library or even sell it-don't write in the book in ink. 2 Use a notebook to take notes or use pieces of paper.

Avoid Food and Drinks.