[填空题]Young people are more likely to have tooth decay while older people are at a greater risk for ______.

[填空题]Young people are more likely to have tooth decay while older people are at a greater risk for ______.

[填空题]Cloned people would be more likely to have

[填空题]People with physical deficiencies are more likely to develop alcoholism.

[填空题]People from divorced families are more likely to become divorced themselves, especially if ______.

[填空题]People possess fewer friends are more likely to ______.

[单项选择]People are likely to have a higher cholesterol level in winter because______.
A. they tend to take in less vitamin D in that season
B. they do less exercise and become weaker than usual
C. they need to eat much more greasy food to keep warm
D. they get less sun to convert cholesterol into vitamin D

[单项选择]Today’s young people generally have more purchasing power than their parents, and they are more prepared to use it（）
A. 如今年轻人的购买能力一般都超过他们父母，而且更乐意消费。
B. 总体上今天的年轻人赚的钱比父母多，而且他们时刻准备消费掉。
C. 如今年轻人在消费上大都比父母大方，而且他们更做好了花钱的准备。
D. 今天的年轻人大都认为他们需要比父母多买东西，而且时刻准备这么做。

[填空题]What is a drug Most people likely think (1)______
think there’s a perfectly simple answer to this
question. In fact, if one carries a quick survey on (2)______
any street corner, one finds that according to the
great vast majority of people, there are two groups (3)______
of drugs: those prescribed by doctors, and those
which people take for non-medical use. As medicine
and the medical profession are generally self-respected
there aren’t objections to the use of prescribed (4)______
drugs. What most people don’t realize is that while
prescribed while prescribed drugs are usually thought
beneficial, they can also present serious problem. (5)______
There were many people addicted by tranquilizers (6)______
before doctors began to prescribe them: now there
being literally millions who depend on them. The (7)______