Part III Cloze (10 points)

　　Directions: There are 10 blanks in the following passage. For each blanks there are four choices marked A, B, C and D, you should choose one that best fits into the passage. Then mark the answer by blanking the corresponding letter on the Answer Sheet with a pencil.

　　If you feel you have a closer relationship with your grandmother on your mother’s side than on you father’s side, it is no surprise to researchers at the universities of Newcastle and Antwerp. 41 on studies in the Netherlands, they claim that maternal grandparents(外祖父母)are likely to make greater efforts to maintain frequent contact 42 their grandchildren than paternal grandparents(祖父母).

　　They 43 that psychological behaviors related to human evolution are involved: women are always sure of their relationship to their sons or daughters, 44 men can never be wholly certain they are their children biological fathers.

　　Further more, maternal grandparents are always more certain than paternal grandparents 45 a grandchild is related to them: “Thus maternal grandparents may go the extra mile to visit their grandchildren.”

　　The study, 46 by Thomas Pollet and his colleagues, found that for grandparents 47 within 30 km of their grandchildren, more than 30 per cent of maternal grandmothers and 25 per cent of maternal grandfathers had 48 daily or a few times a week. In 49 , this fell to 15 percent for paternal grandparents.

　　Mr. Pollet said: “Even in families where there has been divorce, we found 50 differences. Grandparents on your mother’s side make the extra effort.”

　　41. A. Based B. Relied C. Agreed D. Taken

　　42. A. for B. to C. in D. with

　　43. A. demand B. speculate C. deny D. require

　　44. A. where B. whereas C. which D. why

　　45. A. if B. how C. that D. as

　　46. A. come across B. cut back C. covered up D. carried out

　　47. A. departing B. existing C. living D. emerging

　　48. A. contact B. contract C. concern D. conduct

　　49. A. time B. detail C. addition D. contrast

　　50. A. unchanging B. unknown C. unlikely D. Unexpected