安装有“制动选择阀”的装载机，上下坡时，制动选择阀手柄应扳到不切断位置的目的是（）。

a²（x-y）+b²（y-x）．

The popular media ______ these findings widely, which directly affects the consumers' behavior.[ ]

A. recycle

B. hold

C. publicize

D. wrap

在使用价值和交换价值的关系上，斯密认为，使用价值很大的东西，可能具有极小的交换价值，甚至没有；反之，交换价值很大的东西，往往具有极小的使用价值，甚至没有。斯密的观点（）

①他科学地认识到了商品的交换价值不是由使用价值决定的；

②他没有认识到没有使用价值的东西不可能有交换价值；

③认为商品的使用价值和交换价值之间的关系是对立统一的；

④不懂得使用价值和价值的内在联系

A.①②③

B.①③④

C.②③④

D.①②④

[A] Is that what the American viewing public is getting.’ Perhaps 10% of prime-time network programming is a happy combination of entertainment and enrichment. There used to be television-movies rich in human values,, but they have now become an endangered species. I find television too much concerned with what people have and too little concerned with who they are, very concerned with taking care of No. 1 and not at all concerned with sharing themselves with other people. All too often it tells us the half truth we wan! to hear rather than the whole truth we need to hear.

[B] Why is television not more fully realizing its humanizing potential Is the creative community at fault Partially. But not primarily. I have lived and worked in that community for 32 years, as both priest and producer. As a group, these people have values. In fact, in Hollywood in recent months, audience enrichment has become their thing. A coalition of media companies has endowed the Humanists Prize so that it can recognize and celebrate those who accomplish it.

[C] Every good story will not only captivate its viewers but also give them some insight into what it means to be a human being. By so doing, it can help them grow into the deeply centered, sovereignty free, joyously loving human being God made them to be. Meaning, freedom and love are the supreme human values. And this is the kind of human enrichment the American viewing public has a right to expect from those who make its entertainment.

[D] The problem with American TV is not the lack of storytellers of conscience but the commercial system within which they have to operate. Television in the U.S. is a business. [n the past, the business side has been balanced by a commitment to public’, service. But in recent years the fragmentation of the mass audience, huge interest payments and skyrocketing production costs have combined with the FCC’s abdication of its responsibility to protect the common good to produce an ahnost total preoccupation with the bottom line. The networks are struggling to survive. And that, the statistics seem to indicate, is mindless, heartless, escapist fare. If we are dissatisfied with the moral content of what we are invited to watch, I think we should begin by examining our own consciences. When we tune in, are we ready to plunge into reality, so as to extract its meaning, or are we hoping to escape into a sedated world of illusion And if church leaders want to elevate the quality of the country’s entertainment, they should forget about boycotts, production codes and censorship. They should work at educating their people in media literacy and at mobilizing them to support quality shows in huge numbers.

[E] It is not a question of entertainment or enrichment. These are complementary concerns and presuppose each other. The story that entertains without enriching is superficial and escapist. The story that enriches without entertaining is simply dull. The story that does both is a delight.

[F] That is the only sure way to improve the moral content of America’s entertainment.

[G] Despite questions of the motivation behind them, the attacks by the President and the Vice President on the moral content of television entertainment have found an echo in the chambers of the American soul. Many who reject the messengers still accept the message. They do not like the moral tone of American TV. In our society only the human family surpasses television in its capacity to communicate values, provide role models, form consciences and motivate human behavior. Few educators, church leaders or politicians possess the moral influence of those who create the nation’s entertainment.

Order:

[G]______→41.______→42.______→43. ______→44. ______→45.______→[F]

42（）

期刊术语简称CA是指什么？