31、As a commander , you should not ___ the soldiers to unnecessary danger.
　　A) express
　　B) explode
　　C) exploit
　　D) from
　　32、Many people complain of the rapid ___ of modern life.
　　A) rate
　　B) speed
　　C) pace
　　D) growth
　　33、Although in great danger , the wounded still did not want to ___ from the front.
　　A) feedback
　　B) backward
　　C) withdraw
　　D)departure
　　34、They decided to chase the cow away, ___ it did more damage.
　　A) unless B)until
　　C) before
　　D) although
　　35、During the graduation ___ , the president gave a wonderful opening speech.
　　A) evolution
　　B) sign
　　C) individual
　　D) ceremony
　　36、The dog ___ the rabbit but could not catch it .
　　A) ceased
　　B) chained
　　C) checked
　　D)chased
　　37、If these shoes are too big , ask the clerk to bring you a smaller ___ .
　　A) suit
　　B) set
　　C) one
　　D) pair
　　38、In the class the teacher asked the students to ___ their bad habits.
　　A) weaken
　　B) omit
　　C) overcome
　　D) overtake
　　39、I hope my teacher will take my recent illness into ___ when judging my examination .
　　A) regard
　　B) counting
　　C) account
　　D) observation
　　40、When I was terribly frightened of school , but I soon ___ it.
　　A) got off
　　B) got across
　　C) got away
　　D) got over





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