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搜题
【单选题】
GamaPix makes point-and-shoot cameras and handycams for amateur photographers and hobbyists. It also has a separate line of cameras dedicated to professional photographers. Additionally, it designs separate offers for each segment. Which of the following marketing strategies does GamaPix most likely use in this instance?A.
mass marketing
B.
differentiated marketing
C.
individual marketing
D.
local marketing
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【多选题】关于新冠病毒,下列说法正确的有:
A.
冠状病毒因外形类似王冠而得名
B.
它是广泛存在的一类容易变异的病毒
C.
常见冠状病毒仅感染脊椎动物
D.
它能引起人和动物呼吸道、消化道和神经系统疾病