Passage 8
Researchers are increasingly interested in manipulating the environment early in children’s lives when they are perceived to be at risk for impoverished intelligence. In a program conducted in North Carolina by Craig Ramey and his associates, pregnant women with IQs averaging 80 were recruited for a study. After their babies were born,half of the infants were cared for during the day at an educational daycare center and half were reared at home by their mothers; both groups of children were given medical care and dietary supplements, and their families were given social services if they requested them.
At the age of 3, the children who attended the educational daycare center had significantly higher IQs than did the home-reared children. This difference was likely due to the decline in the IQs of the home-reared children during the period from 12 to 18 months of age. By the time the children were 5 years old, 39 percent of the home
A. have increased the risks to child growth by manipulating the natural environment
B. are increasingly aware of the effects of environmental factors on intelligence development
C. are increasingly interested in manipulating the environment without being aware of the risks involved to children
D. are increasingly interested in figuring out how intelligence is developed in early childhood
Attacking an increasingly popular
Internet business practice, a consumer watchdog group Monday filed a complaint
with the Federal Trade Commission, asserting that many online search engines are
concealing the impact special fees have on search results by Internet users.
Commercial Alert, a 3-year-old group founded by consumer activist Ralph Nader,
asked the FTC to investigate whether eight of the Web’s largest search engines
are violating federal laws against deceptive advertising. The group said that
the search engines are abandoning objective formulas to determine the order of
their listed results and selling the top spots to the highest bidders without
making adequate disclosures to Web surfers. The complaint touches a hot-button
issue affecting tens of mil-lions of people who submit search queries each day.
With more than 2 bi A. Sending pages of information B. Sending E-mail C. Surfing the net D. Selling the top spot 我来回答: 提交
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