[填空题]In the future, we may be able to expand on our knowledge of the kind of communication between mothers and children to ______.

[单项选择]Much as we may pride ourselves on our taste，we are no longer free to choose the things we want because of advertising everywhere．
A. 尽管我们可以自夸自己的品位，但广告无处不在，我们已经无法独立自主地作出自 己的选择了。
B. 正如我们可以自夸自己的品位一样，我们想不再自由地选择是因为无处不在的广告。
C. 当我们可以自夸自己的品位的时候，无处不在的广告已使我们不再自由地选择了。
D. 我们可以自夸自己的品味，但到处都是广告，我们不再自由地作出自己的选择了。

[单项选择]In the next century we’ll be able to alter our DNA radically, encoding our visions and vanities while concocting new life-forms. When Dr. Frankenstein made his monster, he wrestled with the moral issue of whether he should allow it to reproduce, "Had I the right, for my own benefit, to inflict the curse upon everlasting generations" Will such questions require us to develop new moral philosophies
Probably not. Instead, we’ll reach again for a time-tested moral concept, one sometimes called the Golden Rule and which Kant, the millennium’s most prudent moralist, conjured up into a categorical imperative: Do unto others as you would have them do unto you; treat each person as an individual rather than as a means to some end.
Under this moral precept we should recoil at human cloning, because it inevitably entails using humans as means to other humans’ ends and valuing them as copies of others we loved or as collections of body parts, not as individuals in their own right. We sho
A. to give an episode of the DNA technological breakthroughs.
B. to highlight the inevitability of a means to some evil ends.
C. to show how he created a new form of life a thousand years ago.
D. to introduce the topic of moral philosophies concerning biotechnology.