To solve the problem, both the gov The U. S. is faced with ernment and the citizens should make ef of wildlife extinction. By the end of forts together. The government,most 1600. the number of extinct wildlife spe important of all, needs to take some mea cies was less than ten kinds. But in 1900, sures to control the birth rate so that

and making as much effort as it can to restore and create more suitable re- serves for the survival and development of wildlife. In short, if the government and the whole society really realize the prob- lem, pay attention to it, and work togeth PNP

sures to put an end to any kind of false some people want to make profits from We may forbid people to make their false promises such as those offered false ads, forfeit them severely, or fortify to customers by enterprises. Some other special law into effect. And what's more people want to make known to everyone why can t these people be strict with

the world, accounting for approximatel O percent of the total world population 世界烟草总产量 世界吸烟人口比例 his tremendous tobacco consumption not 14364亿磅 烟民约11亿,约占20%

ment of these areas and even the whole Education is the key to the moder country. Moreover, the Chinese govern izations of our country. The extent to ot likely to provide a large

win the market. In our competitive socl strengthened the control of advertisements ty, consumers usually have and made them more attractive several brands Therefore, manufacturers are confronted how to make their

the country, educational facilities, medi owadays there is often a lack of ur d services and transportation systems are derstanding between parent and child still not fully developed. And the city also complain about their childrens \unreasonable\behavior, whil air pollution, great noise and poor housing children usually think their parents too

第一章 量子力学的物理基础 1.1 实验基础 1, 第一组实验 —— 光的粒子性实验 2, 第二组实验 —— 粒子的波动性实验

第一章图画图表作文常用语言及通用句式 1.图的种类及相关表达 2.图表数据的种类及相关表达… 3.数据变化及相关表达… 4.图画作文通用句式…… 5.图表作文通用句式

三角有理分式 xxR )cos,(sin 的积分 （1）半角替换：