1.
(2019九上·上海期中)
Which of the following underlined parts is different in pronunciation from the others?
A . One basic way of improving your memory is to use the link method.
B . Gou Yanling has memorized over 15, 000 telephone numbers.
C . The opening ceremony of the 29th Olympic Games was held in Beijing
D . My grandad told me a joke about memory.