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    You might want to think twice before purchasing____(conventional) grown strawberries or spinach(菠菜). According to a new report from the Environmental Working Group(EWG), these foods are the most likely____(pollute) with the pesticide.

    Even low levels of pesticide exposure can be harmful to infants, babies and young children,____parents and caregivers should take measures to lower children's exposures____pesticides while still____(feed) them diets rich in healthy fruits and vegetables.

    Just last year, the red berry knocked apples and____(hold) the title of the most polluted. The pesticide increased in strawberries because of out-of-season demand. The most polluted strawberry had traces of 20____(vary) pesticides.

    Also moving up on____list this year is spinach. Spinach jumps from the____(eight) to the second most polluted product. The study finds spinach samples contain more pesticides by weight than all other produce____(test). In high doses, it can cause damage to the nervous system.

图遗址见证了中国近代史上的哪一次侵华战争的历史（　　　）