1.The Mars turned out to be large patches of ____ land and there is no signs of life there.

1.The Mars turned out to be large patches of ____ land and there is no signs of life there.
A.bald B.void C.wretched D.barren
2.He was _____ from his position as chairman.
A.removed B.shifted C.cancelled D.transmitted
3.I believe Jane will ____ her shortcomings.
A.overlook B.overcome C.overtake D.overthrow
4． Firefighters came to our _____ in five minutes.
A.recall B.retreat C.rescue D.resort
5．We couldn't _____ a child,so we decided to foster one.
A.commit B.owe C.adapt D.adopt
6．Looking up the dictionary is a(n) _____ way of English learning.
A.effective B.efficient C.valid D.affective