The five concepts mentioned in the course, i.e. the production concept, the product concep
A、Pointing out problems with an opposing view
B、Getting the weakness in the other side’s point
C、Fighting back directly by giving an opposite view
D、All of the above
B.reserve hotel rooms online in advance
C.exchange some foreign currency
D.keep your travel documents and money secure
E.pack as light as you can
F.read a travel guide about the place
B.Hayden
C.Mozart
D.Beethoven
A、The ulcer edge is irregular and everted.
B、The mucosal fold of radiation surrounding ulcer is interrupted.
C、The size of ulcer is usually less than 2cm in diameter.
D、Shaggy-necrosis and hemorrhage are seen in the ulcer bed.
A、trends
B、buying habits
C、attitudes towards the products
D、all of those aboved
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