课时提能练(五) 必修2 Unit 4 Cyberspace(A)
(对应学生用书第245页)
Ⅰ.阅读理解
A
(2017·陕西省部分学校2018届第一学期摸底检测)A new study has found the amount of antibiotics(抗生素) given to farm animals is expected to increase by twothirds over the next 15 years.Researchers are linking the growing dependence on the drugs to the increasing need for meat,milk and eggs.However,the drugs could quicken the development of antibioticresistant infections(感染).Such infections are already a major public health concern in the United States.
The World Health Organization(WHO)notes when people stop living in poverty(贫困),the first thing they want to do is eat better,rather than earn more money.For most people,that means their diet should contain more meat.With the rapid development of Asia,people there are eating nearly four times as much meat,milk and other milk products as they did 50 years ago.
To meet the need,farmers have put many animals into smaller spaces.As the animals are