[单项选择]Today black children in south Africa are still reluctant to study subjects from which they were effectively barred for so long.
A. anxious
B. curious
C. opposed
D. unwilling

[填空题]Even today press agencies still sometimes use carder pigeons to send messages between offices in
large cities because the pigeons are not ______.

[简答题] People today are still talking about the generation gap(代沟). Some parents complain that their children do not show them proper respect, while children complain that their parents do not understand them at all. What has gone wrong Why has the generation gap appeared One important cause is that young people want to choose their own life style. In more traditional societies, when children grow up, they are expected to live in the same area as their parents, to marry people on their children are another cause of the generation gap. Parents often expect their children to do better than they do, to find better jobs, to make more money; the high wishes that parents place on their children are another cause of the generation gap. Finally, the high speed of social changes deepens the gap. In a traditional culture, people are valued for their wisdom, but in our society today the knowledge of a lifetime may be out of use overnight(隔夜). According to the passage, children

[填空题]Textbooks today are still bought and sold in much the same way they’ve always been: as ink-and- paper objects assigned by professors and purchased by students in campus bookstores. "It’s a slow- moving pharmaceutical(制药的)market," says Matt MacInnis, the CEO of Inkling, a startup working on digital textbooks. "The professor writes a prescription, and the student goes to fill it."
There are already digital textbooks available, and their numbers are expected to grow. CourseSmart, a company collectively owned by five of the biggest textbook publishers, has 6,000 educational titles for sale in digital format. But its electronic books are little more than scanned versions of printed works. A CourseSmart e-book includes some neat functions, like search capability and digital note-taking, but for the most part, it has few advantages over a traditional textbook other than weight and price.
That’s where a company like Inkling comes in. Inkling and its competitors are working with t