Words and phrases
1.arsenic 砷
2.a childhood staple(主食）
3.source
verb [often passive ] sourcesth (from…) ( business 商 ) to get sth from a particular place （从…）获得
◆ We source all the meat sold in our stores from British farms. 我们商店里卖的肉均从英国农场购进。
4.impose limits on sth=issue caps on 对....设限
5.to establish incremental benchmarks
incremental:increasing in regular amounts不断增加的
benchmarks:(n) something that can be measured and used as a standard that other things can be compared with 基准
◆ Tests at the age of seven provide a benchmark against which the child's progress at school can be measured. 七岁时进行的测试为孩子在学校中的学习发展提供了一个测量基准。
(v) benchmark sth (against sth): to judge the quality of sth in relation to that of other similar things 以（某事物）为标准评估（某事物）
◆ Projects are assessed and benchmarked against the targets. 以这些目标作为对项目进行评估和检测的基准。
6.copious:(adj)in large amounts 大量的；充裕的；丰富的 =abundant
7.flush sth out:to force a person or an animal to leave the place where they are hiding
Sentences
建议措施类
1.Scientists and policy experts suggested a variety of interventions at every step of the pathway from farm to table.
2.Congress, the FDA, the food industry, scientists and doctors should unite to tackle a serious threat to our most vulnerable population.
Thoughts
Does this article try to examplify toxic baby food and advice people pay attention to it?Yes.It puts forward the topic of food security which strains every strind of nerves and insinuates the unsatisfying results rept by the US government.
Such heavy metals as arsenic,lead and mercury in the products can cause accumulated problems,impairing human cognitive development and heath condition.Therefore,it is resposible of the relevant officials to take efficient efforts and measures to curb the perilous trend and cap the acceptable benchmark of harmful heavy metals.
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