The reintroducing experience three years ago shows that man-raised parrots ______.

A． can find their way back home in Jersey

B． are unable to recognize their parents

C． are unable to adapt to the wild

D． can produce a new species

[单选题]Our company has 30years’ experience（）the machinery line.A . onB . inC . aboutD . of

[单选题]B．Three years ago, five parrots were set free in a wild place of Arizona, thousands of miles from the Channel Islands in Jersey where they had been looked after by zookeepers. No evolutionary strategies informed them how to behave in this new landsca

[单选题]A long time ago, I _______ in London for three years.A.had lived B.have liv

[单选题]A long time ago, I ________ in London for three years.A.had lived B.have li

[单选题]The operationcould [prolong] his life by two or three years.A.broadenB.wors

[单选题]As a productivewriter,he [turned out] three novels these years.A.producedB.

[单选题]I first met Lisa three years ago when we ________ at a radio station together.A．have worked B.had been working C.were working D.had worked

[单选题]The output of our factory is now twice _____it was three years ago.A.whatB.

[单选题]He( )with Smith at least four times in the past three years.A.has been seen

[单选题]He( )with Smith at least four times in the past three years.A.has been seen