题型：语法填空（语篇） 题类：常考题 难易度：困难
辽宁省沈阳市郊联体2017-2018学年高二下学期英语期末考试试卷
Eating organic food will not make you healthier, according to researchers at Stanford University, although it could cut your (expose) to pesticides（杀虫剂）. They looked at more than 200 studies of the content and (associate) health gains of organic（有机的） and non-organic foods. Overall, there (be) no difference in the nutritional content, although organic food was 30% less likely (contain) pesticides.
The researchers looked at 17 studies comparing people who ate organic those who did not and 223 studies compared the levels of nutrients, bacteria, and pesticides in various foods. However, none of the human studies ran for longer than two years, (make) conclusions about long-term(outcome) impossible. And all of the available evidence was(relative) weak and highly variable, which the researchers said was unsurprising because of all the different variables.
Dr Crystal Smith-Spangler, the lead researcher, said “Some believe that organic food is always healthier and more nutritious. But as matter of fact there isn't much difference between organic and conventional foods, if you're an adult and make decisions based simply on your health.”
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