087 Level 3 人口问题-讲解版

1. Never before in history has there been so many people on the planet as now. 在历史上，地球从来没有像此时此刻一样人口数量庞大。

句子结构：

Never before in history has there been +n.

Never before in history has there been such a long lasting period of peace.

人类历史上从未有过如此长的安定和平时期。

Never before in history has there been such a large scale of warfare.

历史上从没有如此大规模的战争。

2. Nowhere is the decreasing of population more noticeable than in Japan. 人口削减，在日本表现的最为明显。

句子结构：

Nowhere is the +n. more noticeable than in +n.

Nowhere is the deterioration of air quality more noticeable than in China.

没有哪里比中国的空气质量更加恶化的了。

Nowhere is the shortage of water more noticeable than in Africa.

没有什么地方比非洲更加缺水了。

3.Is a falling population a catastrophic concern? 人口衰减是一个毁灭性事件吗？

句子结构：

Is+N. a catastrophic concern?

Is global warming a catastrophic concern?

全球变暖是一个毁灭性事件吗？

Is shortage of clean energy a catastrophic concern？

缺乏清洁的能源是一个毁灭性的事件吗？

4. Many people believe that China is now facing a demographic problem that will affect its economy. 很多人都认为中国现在面临的人口问题会直接影响其经济。

句子结构：

Many people believe that China is now facing a形容词+problem that will affect its economy.

Many people believe that Germany is now facing an immigration problem that will affect its social life.

很多人认为德国现在面临的移民问题会影响其社会生活。

5.The US population is expected to grow significantly older by 2050. 美国人口预期在2050年会大步进入老龄化。

句子结构：

N.+is expected to +动词

China’s real estate business is expected to take a big hit by 2020.

中国的房地产市场预计在2020年会遭受重挫。

6. By 2050, our demand for water will have increased by more than half.  到了2050年，人类对水的需求会是现在的一点五倍。

句子结构：

By 2050, our demand for +n. will have increased by more than half.

By 2050, our demand for medical treatment will have increased by more than half.

到了2050年，人类对医疗的需求会是现在的1.5倍。

By 2050, our demand for electricity will have increased by more than half.

到2050年，我们对电力的需求会是现在的1.5倍。

7. If we continue on the current path, we will only have 60% of the water we need to sustain us by 2030. 按照现在的趋势，到了2030年，人类就可用的水资源就只有需求总量的六成。

句子结构：

If we continue on the current path, +单句

If we continue on the current path, our company soon will lose all of our major partners.

按照现在的趋势，公司很快会失去主要的伙伴。

If we continue on the current path, we won’t stand a chance to win the championship.

按照现在的趋势，我们绝无希望赢得冠军。

8. It just blows me away that a family in China used to be allowed to have only one child! 中国每一个家庭过去只能有一个孩子，这的确让我大吃一惊。

句子结构：

It just blows me away that+单句

It just blows me away that in Japan, people are super friendly to each other.

日本人对人超级有礼貌，真是让我大吃一惊。

9. We can’t talk about population problems without mentioning Malthus, who proposed that human population grows at an exponential rate while our ability to provide food grows at a linear rate. 说到人口问题，不得不提马尔萨斯。他指出人口增长是几何级数的，而我们提供食物的能力增长则是线性的。

句子结构：

We can’t talk about +n. without mentioning +n.

We can’t talk about feminism in American without mentioning Madonna.

说到女权主义在美国，就不得不提麦当娜。

We can’t talk about civil rights movement without mentioning Martin Luther King, Jr.

说到民权运动，我们不得不提及马丁路德金。

10.The mounting pressure of feeding the ever-growing human population demands technical breakthroughs. 需要为日益增长的人口提供足够粮食的压力呼吁着科技突破。

句子结构：

The mounting pressure of +v. demands +n.

The mounting pressure of generating more power without polluting environment demands technical breakthroughs.

又要产生足够的能源，又不能产生太多污染的压力，亟需科技突破。

独白练习：

请根据中文提示，尽量使用本课句型，完成下列段落独白。

There are currently about 7 billion people on earth, and that poses serious problems.

历史上地球从来没有这么多的人口。如何解决日益增加的人口的吃饭问题需要科技创新。

More people means more resources.

按照目前的趋势，we will only have 60% of the water we need to sustain us by 2030.  but our demand for water will have increased by more than half. Now you see the problem.

The sooner we do something, the better we are prepared for this population crisis.

参考英文答案：

There are currently about 7 billion people on earth, and that poses serious problems.

Never before has there been so many people on the planet as now.  The mounting pressure of feeding the ever-growing human population demands technical breakthroughs.

More people means more resources.

And if we continue on the current path, we will only have 60% of the water we need to sustain us by 2030，but our demand for water will have increased by more than half. Now you see the problem.

The sooner we do something, the better we are prepared for this population crisis.