Questions 16 to 18 are based on the passage you have just heard
[单选题]
A.They have little talent for leaning math
B.They need medical help for math anxiety
C.They need extra help to catch up in the math class
D.They have strong negative emotions towards math
[单选题]
A.It will gradually pass away without teachers' help
B.It affects low performing children only
C.It is related to a child's low intelligence
D.It exists mostly among children from poor families
[单选题]
A.Most of them have average to strong math ability
B.Most of them get timely help from their teachers
C.They will regain confidence with counselling
D.They are mostly secondary school students