A)inject B)install C)invade D)insert

　　60.There's the living room still to be _____,so that's my next project.

　　A)abandoned B)decorated C)dissolved D)assessed

　　61.The old paper mill has been ______to make way for a new shopping centre.

　　A)abandoned B)decorated C)dissolved D)held down

　　62.It may be necessary to stop ______in the learning process and go back to the difficult points in the lessons.

　　A)at a distance B)at intervals C)at case D)at length

　　63.Yor can hire a bicycle in many places. Usually you'll have to pay a _________.

　　A)fare B) at intervals C)at ease D)at length

　　64.My grandfather had always taken a _______interest in my work, and I had an equal admiration for the stories of his time.

　　A)splendid B)weighty C)vague D)keen

　　65.________quantities of water are being used nowadays with the rapid development of industry and agriculture.

　　A)nothing but B)anything but C)not to speak of D)nothing to speak of

　　66.John cannot afford to go to university, _______going abroad.

　　A) Excessive B)Extensive C) Extreme D)exclusive

　　67.Most laboratory and field studies of human behavior ______taking a situational photograph at a given time and in a given place.

　　A)involve B)compose C)enclose D)attach

　　68.If you don't like to swim, you _____as well stay at home.

　　A)should B)may C)can D)would

　　69.Dr.Smith was always ______the poor and the sick, often providing them with free medical care.

　　A)reminded of B)absorbed in C)tended by D)concerned about

　　70.Thomas Jefferson and John Adams died on July 4,1826,the fiftieth_ ______of American Independence.

　　A)ceremony B)occasion C)occurrence D)anniversary