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【多选题】
与传统电子商务相比,下列哪项是移动商务的优势A.
· 时空的灵活性
B.
接入的稳定性
C.
应用的即时性
D.
服务的个性化
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】How can you protect other people when you have a cold? ______ with a tissue when you cough or sneeze at least.
【单选题】'That at least is what people say. ' means people________.
A.
say other things too
B.
don't say this much
C.
say this but may not think so
D.
only think this
【单选题】When I met him the other day, it was the first time we _____ each other since we were at school.
A.
saw
B.
had seen
C.
were seeing
D.
have seen
【单选题】What do people tend to believe other's life is when they are in a big city?
A.
The other's life is lonely.
B.
The other's life is happy.
C.
The other's life is exciting.
D.
The other's life is full, rich and busy.
【简答题】When Greenspan and other members of the Fed want to encourage people to borrow and spend, they ____________.
【简答题】内存条是由以下哪些功能模块构成的?A. 内存颗粒 B. 电路板（PCB） C. 金手指 D. SPD
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