51. He showed his ____ for the TV programmer by switching it off.
　　A) distaste
　　B) discontent
　　C) annoyance
　　D) boredom
　　52. They are ____ the woods for the missing child.
　　A) seeking
　　B) looking
　　C) investigating
　　D) combing
　　53. To prevent flooding in winter the water flowing from the dam is constantly ____ by a computer.
　　A) Managed
　　B) graded
　　C) monitored
　　D) conducted
　　54. ____ I know the money is safe. I shall not worry about it.
　　A) Even though
　　B) Unless
　　C) As long as
　　D) However
　　
55. He couldn't lie convincingly enough to take a child ____ .
　　A) away
　　B) down
　　C) in
　　D) up
　　56. The parents were worried about Dorothy because no one was aware ____ she had gone.
　　A) where that
　　B) of where
　　C) of the place where
　　D) the place
　　57. It was not until she returned home ____ she realized she had almost wasted ten of her valuable hours.
　　A) and
　　B) when
　　C) then
　　D) that
　　58. There has not been a great response to the sale, ____?
　　A) does it
　　B) has it
　　C) does there
　　D) has there
　　59. Anthropology is a science ____ anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.
　　A) in that
　　B) that in
　　C) that
　　D) in
　　60. The activities of the international marketing researcher are frequently much broader than ____.
　　A) the domestic marketer has
　　B) those of the domestic marketer
　　C) the domestic marketer does
　　D) that which has the domestic marketer
　　61. I'm surprised at there ____ an index.
　　A) not to be
　　B) to be not
　　C) not being
　　D) being not
　　62. I ____ this soup. I ____ pepper in it.
　　A) am tasting…… am tasting
　　B) am tasting…… taste
　　C) taste…… am tasting
　　D) taste…… have tasted
　　63. ____, explorers could never have found the cave.
　　A) But for the fissure had been spotted
　　B) If not the fissure had been spotted
　　C) Had the fissure not been spotted
　　D) Had not the fissure been spotted
　　64. John often sits in a small bar, drinking and smoking considerably more ____.
　　A) than that he is healthy
　　B) than good for his health
　　C) than his health could
　　D) than is good for his health
　　65. This ____ girl is Mary's cousin.
　　A) pretty little Swedish
　　B) Swedish little pretty
　　C) Swedish pretty little
　　D) little pretty Swedish