问题
填空题
Questions 14-18
·Using the information in the text, complete each sentence 14-8 with an expression from the list below.
·For each sentence (14-18), mark one letter (A -G) on the Answer Sheet.
·Do not mark any letter twice.
- A. different colors
- B. hair follicles
- C. dietary fiber
- D. antioxidant activity
- E. their cholesterol
- F. hair loss
- G. free radicals
A common problem in the elderly is ______.
答案
参考答案：F
解析： 参考第6段第1及第2句。