A.Colas have been on the market longer than other so-called "energy drinks".
B.The makers of Red Bull say that it can revitalize a person.
C.Bauer does not seem to believe the claims of energy drink makers.
D.It has been scientifically proved that energy drinks work.

A.Teenagers should not choose energy drinks.
B.Caffeine is bad for people to drink.
C.Red Bull is the best energy drink.
D.It is uncertain whether energy drinks are healthy.

A.famous
B.enormous
C.dangerous
D.cautious

A.criticize yourself
B.wear a backpack
C.praise yourself
D.check up your back

A.implanted
B.cultivated
C.reared
D.trained

A.implanted
B.cultivated
C.reared
D.trained

A.amusing
B.strange
C.bold
D.help

A.brutally
B.especially
C.ironically
D.bitterly

A.brutally
B.especially
C.ironically
D.bitterly

A.but
B.therefore
C.or
D.and