1.As a commander, you should not _______ the soldiers to unnecessary danger.
　　A.express B.explode C.ecploit D.expose
　　2.This newspaper often _______ the government’s opinion, not the public opinion
　　A.affects B.reacts C.reflects D.recognizes
　　3.Although in great danger, the wounded still did not want to _______ from the front.
　　A.feedback B.backward C.withdraw D.departure
　　4.This movie has a _______ ending. You can not imagine who will be killed finally.
　　A.dramatic B.original C.considerable D.temple
　　5.During the graduation _______, the president gave a wonderful opening speech.
　　A.evolution B.sign C.individual D.ceremony
　　6.The dog _______ the rabbit but could not catch it.
　　A.ceased B.chained C.checked D.chased
　　7.If your letter is over weight, you must pay for the _______.
　　A.excess B.exceed C.checked D.chased
　　8.In the class the teacher asked the students to _______ their bad habits.
　　A.weaken B.omit C.overcome D.overtake
　　9.When you study in the United States, usually you have to buy your own health _______.
　　A.insurance B.expense C.evidence D.payment
　　10.Chocolate and ice-cream have different _______.
　　A.favour B.favourites C.fever D.flavours
　　11.This is an _______ that will not be easily forgotten.
　　A.impact B.academic C.insult D.alternative
　　12.Please _______ me for my rudeness. I really do not know the custom here.
　　A. engage B.comfort C.execute D.forgive
　　13.Water and air are _______ to human beings. We can not live without them.
　　A.harbour B.function C.definite D.essential
　　14.When the airplane takes off, the passengers are told to _______ their seat belts.
　　A.fountain B.fix C.tight D.fasten
　　15.This is not what we asked you to do. You can not get more pay for the _______ work.
　　A.owing B.device C.tired D.extra

　　16.My throat is _______. I cannot speak any more.
　　A.sore B.purchase C.glow D.faint
　　17.Many years ago, a lot of factories were _______ from big cities to the mountainous areas in case of war.
　　A.transferred B.transformed C.transmitted D.transported
　　18.He said in his letter that he would _______ some photographs but I couldn’t find anything in the envelope.
　　A.case B.double C.enclose D.nonsense
　　19.Many English words are _______ from Latin.
　　A.displayed B.spread C.lost D.derived
　　20.I feel _______ to say that I can not believe what he said.
　　A.wanted B.observed C.obliged D.wandered