1.In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.
A、game
B、late
C、trade
D、have
How does exercise help the elderly?
A、By improving attention.
B、By slowing memory loss.
C、By connecting with others.
D、By controlling cell growth.
Which of the following can turn customers’ attention into real interest?