Directions: In this section of the test, there are ten paragraphs. Each of the paragraphs is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Spell out the missing letters of the word on your Answer Sheet.
Researches suggest that for healthy older adults, even though their memory might not be as good, they can naturally recruit other brain regions that are not typically involved in shopping. Scientists discovered older shoppers use an additional brain area to remember competing consumer products and choose the better one-meaning they don't miss a bargain.
38. Shopping is b______ to one's brainpower.
【正确答案】：beneficial
