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The word "ambiguous" in the passage is closest in meaning toA.undecided.B.recent.C.difficu
The word "ambiguous" in the passage is closest in meaning to
A.undecided.
B.recent.
C.difficult.
D.equivocal.
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The word "ambiguous" in the passage is closest in meaning to
A.undecided.
B.recent.
C.difficult.
D.equivocal.
A、illustrate the size of wingspans in some pterosaurs
B、compare the energy needs of dinosaurs with those of modern machines
C、demonstrate the differences between mechanized flight and animal flight
D、establish the practical applications of the study of fossils
A.buses.
B.trains.
C.subways.
D.ferries.
A.forebears.
B.predecessors.
C.opponents.
D.advocates.
A.They do not try to engage their reflection in social behavior.
B.They will use their reflection to help them clean themselves.
C.They attempt to rub their trunks against their reflection in greeting.
D.They will explore their reflection to see what they look lik
A.She will go to the Historical Museum.
B.She will read the student card booklet.
C.She will pick up her new student card.
D.She will attend her fourth day of class.
A.It feeds primarily on nectar.
B.It has a very fast-growing body.
C.It is the adult form. of the species.
D.It has a devouring appetit
A.To communicate their feelings.
B.To navigate through the water.
C.To hunt in dark or murky water.
D.To identify themselves in a group.
A.Humans can now talk to dolphins.
B.It is the basis of sonar technology.
C.The fishing industry can avoid dolphins.
D.Blind people use echolocation to navigat
A.prehistoric
B.predominant
C.primary
D.successful
A.Over 100000 CFS before the building of the Dam.
B.8000~20000 CFS before the building of the Dam.
C.8000~100000 CFS after the building of the Dam.
D.20000 CFS at peak rate after the building of the Dam.
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