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But this and other price shocks were event-driven—drought in the Soviet Union, crop-shrinking heat in the U.S.Corn Belt.

出自-2016年6月阅读原文

But that potential pales beside the never-ending demand for crop-based fuels.

出自-2016年6月阅读原文

As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.

出自-2016年6月阅读原文

But Mr.Kibara says he has not received a higher price for his purple tea crop.

出自-2016年12月听力原文

Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn't become a staple food in central China until about 2,000 years ago, according to the researchers.Based on that timing, they indicate barley may have 34 arrived in the re

2017年6月四级真题（第一套）阅读 Section A

Barley was an unexpected find: the crop was domesticated in Western Eurasia and didn't become a staple food in central China until about 2,000 years ago, according to the researchers.

2017年6月四级真题（第一套）阅读 Section A

In most cases, the human waste is used on grain crops, which are eventually cooked, minimizing the risk of transmitting water-borne diseases.

出自-2016年6月阅读原文

Land Usage: Over the last five decades, improved farming techniques and technologies have helped to significantly increase crop yields along with a 12% expansion of farmed land use.

出自-2013年12月阅读原文

Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land

出自-2013年12月阅读原文

This case gives the court an opportunity to rein in the growing use of patents to protect genetically engineered crops and other life forms―but the court may well use it to give this trend a powerful new endorsement.

出自-2013年12月阅读原文

Major supermarkets, in meeting consumer expectations, will often reject entire crops of perfectly edible fruit and vegetables at the farm because they do not meet exacting marketing standards for their physical characteristics, such as size and appearance

出自-2013年12月阅读原文

This varies dramatically depending on crop, from three calories for plant crops to 35 calories in the production of beef.

出自-2013年12月阅读原文

Perfectly eatable fruit and vegetable crops often fail to reach supermarkets due to their size or physical appearance

出自-2013年12月阅读原文

They have caused lots of damage to crops.

出自-2013年12月听力原文

One acre of farmland use to for crop production can produce 1,500 pounds of tomatoes.

出自-2013年6月听力原文

It has consequences: South Africa's ongoing drought—the worst in three decades—will cost at least a quarter of its com crop this year.

2018年6月六级真题（第一套）阅读 Section B

There are good reasons why crop plants do not use dryness defenses already.

2018年6月六级真题（第一套）阅读 Section B

But during the past decade declining rainfall has allowed him to plant highly profitable crops.

2017年高考英语江苏卷 阅读理解 阅读D 原文

Diets have changed in China—and so too has its top crop.

2018年高考英语全国卷2 语法填空 原文

Over five generations the land has been too wet for cropping.

2017年高考英语江苏卷 阅读理解 阅读D 原文

To collect manure for his crops.

2015年高考英语四川卷 阅读理解 阅读B 选项

When we complained about the terrible smell, dad said the stronger the manure, the healthier the crops, and he was right.

2015年高考英语四川卷 阅读理解 阅读B 原文

Without the glaciers, water will arrive in the rivers at times when it can damage crops.

2017年高考英语江苏卷 阅读理解 阅读D 原文

Some species of trees have been"read out of the party"by economics-minded foresters because they grow too slowly, or have too low a sale value to pay as timber crops.

出自-2010年考研翻译原文

Humanity has the necessary agro-technological tools to eradicate hunger, from genetically engineered crops to artificial fertilizers.

出自-2013年考研阅读原文

As much of Mexico city shut down at the height of a panic, cases began to crop up in New York city, the southwestern United States and around the world.

2010年考研真题（英语二）完形填空 Section Ⅰ

At the start of this century, about one-third of crop workers were over the age of 35.

2019年考研真题（英语二）阅读理解 Section Ⅱ

Crop pickers, violinists, construction workers, entrepreneurs, engineers, home health-care aides and physicists are among today's birds of passage.

2013年考研真题（英语二）阅读理解 Section Ⅱ