Unit 2 单元测试（新高考专用）-高二英语同步精品课件+课后习题（人教版2019选择性必修第三册)

Unit 2 单元测试(新高考专用) (考试时间:100分钟 试卷满分:120分) 第一部分 阅读(共两节,满分50分) 第一节(共15小题;每小题2.5分,满分37.5分) 阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。 A (2022·上海交大附中高二开学考试)Families should reduce exposure to synthetic chemicals found in food colorings, preservatives and packaging materials as a growing body of research shows they may harm children's health, according to a policy statement and technical report from the American Academy of Pediatrics released online. The statement also suggests improvements to the food additives regulatory system, including updating the scientific foundation of the U. S. Food and Drug Administration safety assessment program and retesting all previously approved chemicals. Q&A with the lead author We asked Leonardo Trasande, Council on Environmental Health member and lead author of the policy statement, to tell us more about these concerns. Q: What are the growing number of studies showing us? A: Over the past two decades, an accumulating body of science suggests some food additives c