1. A child hears it spoken from morning till night and, what is more important, always in its genuine form, with the right pronunciation, right intonation, right use of words and right structure.
2.Work, for most American and Chinese women aged 55 and under, involves responsibility for a household, a child or children, and a job outside the home as well.
3.Still, he could not help thinking that if anything should happen, the nearest person he could contact by radio, unless there was a ship nearby, would be on an island 885 miles away.
4.Yet this other life has its interests, its enjoyments, its satisfaction, and, at certain rare intervals, a peaceful glow or a sudden excitement.
5.Our knowledge of social systems, therefore, while it is in many ways extremely inaccurate, is not likely to be seriously overturned by new discoveries.
6.However, self-fulfillment is important to morality because unfulfilled citizens, no matter how virtuous, can not perform the duties morality assigns them.
7.Information and knowledge will become even more vital, and the people who possess it, whether they work in manufacturing or services, will have the advantage and produce the wealth.
8.What I was being blamed for, it turned out, was a newspaper strike which made it necessary to hand-deliver the advertising inserts that normally are included with the Sunday paper.
9.While we were waiting for the coffee, the head waiter, with an ingratiating smile on his false face, came up to us bearing a large basket full of huge apples.
10.But a great book, rich in ideas and beauty, a book that rises and tries to answer great fundamental questions, demands the most active reading of which you are capable.
11.You found upon that a general law that all hard and green apples are sour; and that, so far as it goes, is a perfect induction.
12.It is, everyone agrees, a huge task that the child performs when he learns to speak, and the fact that he does so in so short a period of time challenges explanation.
13.Computer crime, a phrase denoting illegal and surreptitious attempts to invade data banks in order to steal or modify records, or to release over computer networks software called a virus that corrupts data and programs, has grown at an alarming rate since the development of computer communications.
14.Britain almost more than any other country in the world must seriously face the problem of building upwards, that is to say, of accommodating a considerable proportion of its population in high blocks of flats.
责任编辑：虫虫
