题目内容：
Helen
A．I do not think that online friendships are short-lived. B．Networking can make your companies better known.
C．I doubt if people could use networking vehicles properly.
D．To benefit from networking, you should learn how to use it.
E．To understand people better, you have to meet them in person.
F．Social networking reflects the new demands of the changing time.
G．In my opinion, networking has more disadvantages than advantages.
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