1.This watch is _______ by hand, not by machine, so it is very expensive.

　　A.flat

　　B.coined

　　C.bored

　　D.manufactured

　　2.These two horses look so much alike that we can not _______ one from the other.

　　A.differ

　　B.detail

　　C.distinguish

　　D.defeat

　　3.The president of that company was very calm during the political _______.

　　A.failure

　　B.fashion

　　C.proceed

　　D.crisis

　　4._______ is usually the chief enemy of the camera lens.

　　A.Oxxasion

　　B.vain

　　C.Moisture

　　D.Deck

　　5.The _______ left the ship after sixty hours of hard struggle.

　　A.dash

　　B.cell

　　C.crew

　　D.gay

　　6.On our way to Beijing, we visited Xian, a city of two million _______, and stayed there for two days.

　　A. insects

　　B.human

　　C.inhabitants

　　D.flights

　　7.One of the main reasons for air pollution is that many cars _______ smoke into the atmosphere.

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