What does the underlined sentence in the last paragraph mean?

(单选题)______ might be appropriate for children. (单选题)Where does Kemp show his trucks? (单选题)In which year was Kemp’s unusual Selden truck made? (单选题)The passage says that Dick Kemp’s job is ______. (单选题)As far as language learning is concerned, the ______ concern (单选题)The ______ theory believes that learning is process in which (单选题)As far as vocabulary teaching is concerned, which of the fol (单选题)When we are teaching pronunciation, ______ and intonation sh (单选题)The guided discovery method is similar to the inductive meth (单选题)In the traditional classroom, very often, too much attention