小题1:D
小题2:B
小题3:C
小题4:B
小题1:细节理解题。结合who went throughout America collecting apple seeds and planting apple trees.可知答案。
小题2:词义理解题。结合If someone always says good words to a person,可知答案。
小题3:细节理解题。结合Washington, D. C. and New York are both famous for their apples. 可知答案。
小题4:主旨大意题。文章都是围绕apple is very important in American culture展开的.可判定这就是文章的中心。