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.

东营地区石油储量丰富，为了测量某油井所产石油的密度，小刚收集了该井所产石油样品进行测量．但是手头没有量筒，只有一个空瓶、天平、足量水．请你帮助他设计实验，并写出表达式．

两宋时期，在气候温和、资源丰富的南方，形成了闻名天下的“粮仓”，”苏湖熟,天下熟,”传遍天下。宋代手工业也取得了巨大进步，促进商业繁荣，出现了世界上最早的纸币。

党的十八大报告指出：走中国特色社会主义文化发展道路，是建设社会主义文化强国必由之路。据此回答问题。（  ）