SOx 和 NOx

CO 2 和 O 3

NO 和 CO 2

HC 和 CFC

正确

错误

advocates

approaching

constantly

decrease

enlarge

financial

fundamental

gracious

ignore

intention K. justified L. negative M. proceeding N. rigidly O. successors There is much discussion today about whether economic growth is desirable. At an earlier period. our desire for material wealth may have been (1) ________. Now, however, this desire for more than we need is causing serious problems (2) ________. Even though we have good (3) _______, we may be producing too much, too fast. Those who criticize economic growth argue that we must slow down. They believe that society is (4) _________ certain limits on growth. These include the fixed supply of natural resources, the possible (5) ________ effects of industry on the natural environment, and the continuing increase in the world's population. As society reaches these limits, economic growth can no longer continue, and the quality of life will (6) ________. People who want more economic growth, on the other hand, argue that even at the present growth rate there are still many poor people in the world. These (7) _________ of economic growth believe that only more growth can create the capital needed to improve the quality of life in the world. Furthermore, they argue that only continued growth can provide the (8) _________ resources required to protect our natural surroundings from industrialization. This debate over the desirability of continued economic growth is of (9) __________ importance to business and industry. If those who argue against economic growth are correct, the problems they mention cannot be (10) _________. To find a solution, economists and the business community must pay attention to these problems and continue discussing them with one another.

Results

Introduction

discussion

methods

32

64

128

256

SOX和NOX

CO2和O3

NO2和C1O

HC和CFC

学习的实质在于强化

学习的实质在于形成习惯

刺激与反应之间的联系不是直接的,而是以意识为中介的

学习遵循准备律、练习律和效果律

SOx~NOx

C02和 03

N02和ClO

HC和CFC

NO和S02

出血

幽门梗阻

穿孔

粘连

癌变