ed to be a neutral color in symbolizing genders
D White is preferred by babies
28. The author suggests that our perception of children's psychological devotement 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 ________。
A focuses 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 girl's 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 experts
Text 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 hold patents to two genes that help forecast a woman's risk of breast 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 attempts at personalised medicine, the courts will remain rather busy. The Myriad case itself is probably not over. Critics make three main arguments against gene patents: a gene is a produ
