信任他。作者通过介绍美国人教育孩子的方式来论证这个道理并指出中国的年轻人也开始追求独立。

　　1．The passage is intended to encourage the youth to ___________.

　　A．save money for useful things

　　B．become independent

　　C．express their great ambitions

　　D．make important decisions

　　解析：选B。写作意图推断题。文中第二段中的"In America，families are close but children are encouraged to be independent"和第四段中的"Many Chinese young people are becoming almost as interested as American teens in searching for independence."都向我们讲述了孩子追求独立的问题，因此我们可以推知文章的目的。

　　2．A child of seven is given an allowance so that he can _________.

　　A．be accepted as a popular guy

　　B．learn to decide how to use money

　　C．overspend money without care

　　D．have school supplies of his own

　　解析：选B。推理判断题。从文中第二段中的"It's not unusual for a child of seven to be given an allowance(津贴)every week.The child is encouraged to save some of the money but he or she can spend it on whatever they choose，for example，buying clothes，school supplies or CDs."可知美国大部分的孩子都有自己的零花钱，他们可以用这些钱去购买自己需要的东西，这样可以培养他们的理财能力。故B项正确。

　　3．The author implies that many Chinese children ___________.

　　A．are more independent than Americans

　　B．should become interested in America

　　C．are happy with their present situation

　　D．are not satisfied to be nice，quiet ones

　　解析：选D。推理判断题。文中第四段通过Li Yuchun 的例子讲述了中国孩子的追求独立的想法。从"She was not the traditional'nice, young Chinese girl'．"和"she was telling everyone that she was different."可知D是正确答案。其余选项的说法不合理。

　　4．The main idea of the last paragraph is ___________.

　　A．that we should do things step by step

　　B．why we should understand our desires

　　C．what we should plan for our own life

　　D．how we can manage to realize our dreams

　　解析：选D。主旨大意题。文章前面讲述了美国孩子和中国孩子追求独立的情况，文章的最后一段作者就这一问题提出了自己的建议，告诉我们怎么样才能实现我们的理想。

　　B

　　(2009年高考浙江卷)Four people in the England，back in 1953，stared at Photo 51.It wasn't much-a picture showing a black X. But three of these people won the Nobel Prize for figuring out what the photo really showed-the shape of DNA.The discovery brought fame and fortune to scientists James Watson，Francis Crick，and Maurice Wilkins. The fourth，the one who actually made the picture，was left out.

Her name was Rosalind Franklin."She should have been up there，"says historian Mary Bowden."If her photos hadn't been there，the others couldn't have come up with the structure."One reason Franklin was missing was that she had died of cancer four years before the Nobel decision.But now scholars doubt that Franklin was not only robbed of her life by disease but robbed