Questions 16 to 18 are based on the passage you have just heard.
16
A.Falling in love with travelling.
B.Earning higher salaries.
C.Keeping memories easily.
D.Strengthening brain function.
17
A.He can master a language in ten days.
B.He is an expert on brain function.
C.He got the fund for his study from FBI
D.He designed the language learning approach.
18
A.Memorizing new words.
B.Learning to use core vocabulary.
C.Knowing the basic grammar.
D.Spending much time.