()are a group of naturally occurring chemical compounds that mostly contain basic nitrogen atoms.
A.Terpenes
B.Carotenoids
C.Saponins
D.Alkaloid
A.Terpenes
B.Carotenoids
C.Saponins
D.Alkaloid
A、the large financial investment required.
B、the limited control over the distribution process
C、the large managerial investments required
D、the limited number of retailers in the foreign country who can be reached.
A、fascination with celebrity worship is a much more serious problem than ever before
B、people have much more leisure time to track the personal activities of celebrities
C、celebrity culture has ceased to be mainstream world-wide
D、few people turn blind eye to things happening around them
A、30-40%
B、50-60%
C、70-80%
D、60-70%
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