/P>
27.According to Paragraph 2, which of the following is true of colours？
[A]Colours are encoded in girls' DNA。
[B]Blue used to be regarded as the colour for girls。
[C]Pink used to be a neutral colour in symbolising genders。
[D]White is prefered by babies。
28.The author suggests that our perception of children's psychological development was much influenced by_____。
[A]the marketing of products for children
[B]the observation of children's nature
[C]researches into children's behavior
[D]studies of childhood consumption
29.We may learn from Paragraph 4 that department stores were advised to_____。
[A]focus on infant wear and older kids' clothes
[B]attach equal importance to different genders
[C]classify consumers into smaller groups
[D]create some common shoppers' terms
30.It can be concluded that girls' attraction to pink seems to be____。
[A] clearly explained by their inborn tendency
[B]fully understood by clothing manufacturers
[C] mainly imposed by profit-driven businessmen
[D]well interpreted by psychological expertsText 3
In 2010. a federal judge shook America's biotech industry to its core. Companies had won patents for isolated DNA for decades-by 2005 some 20% of human genes were parented. But in March 2010 a judge ruled that genes were unpatentable. Executives were violently agitated. The Biotechnology Industry Organisation (BIO)， a trade group, assured members that this was just a “preliminary step” in a longer battle. On July 29th they were relieved, at least temporarily. A federal appeals court overturned the prior decision, ruling that Myriad Genetics could indeed holb patents to two genss that help forecast a woman's risk ofbreast cancer. The chief executive of Myriad, a company in Utah,said the ruling was a blessing to firms and patients alike. But as companies continue their attempt