第6部分：完形填空（第51～65題, 每題1分, 共15分）

下面的短文有15處空白, 請(qǐng)根據(jù)短文內(nèi)容為每處空白確定1個(gè)最佳選項(xiàng)。

Paper or Plastic?

Take a walk along the Chesapeake Bay, and you are likely to see plastic bags floating in the water. They have made their_______(51)into local waterways and, from there, into the bay, where they can________(52)wildlife. Piles of them show up in landfills（垃圾填埋地）and on city streets. Plastic bags also take an environmental toll（代價(jià)）in the__________(53)of millions of barrels of oil expended every year to produce them.

Enter Annapolis and you will see plastic bags_______(54)free in department stores and supermarkets. Alderman（市議員）Sam Shoeshine has introduced a well-meaning_______(55)to ban retailers from distributing plastic shopping bags up Maryland's capital. Instead, retailers would be required to ?_______ (56) recycled paper and to sell reusable bags. The city of Baltimore is _______(57)a similar measure. Opponents of the _______(58), however, argue that paper bags are harmful, too：They cost more to make; they _______ (59)more resources to transport, and recycling them causes more pollution than recycling plastic. The argument for depriving Annapolis residents_________(60)their plastic bags is far from accepted. Everyone in this ________(61)is right about one thing: Disposable shopping bags of any type are wasteful, and the best outcome would be for customers to ________(62)bags instead. Annapolis' mayor is investigating how to hand out free, reusable shopping bags to city residents, a proposal that can proceed ________(63)of whether other bags are banned. A less-expensive alternative would be to encourage retailers to give be more________(64)to customers who bring their own reusable bags. And this policy would_________(65)if stores imitated furniture mega-retailer（超人零售商）Ikea and charged for disposable bags at the checkout counter. A broad ban on the use of plastic shopping bags is not the answer.

51. A difference? ?B point??? ?C progress? ???D way

52. A harm???? ??B help?????? ???C keep??? ??? ??D protect

53. A light??? ?B form??? ?C time??? ????D place

54. A dropped ??B packed??? C put???? ???D distributed

55. A proposal?? ??B service?? ?C system?? ?D change

56. A open ?????B fill???? ?C offer??? ?D hold

57. A getting?? ??B considering ??C replacing? ?D improving

58. A idea???? ??B effect??? ?C technology ??D behavior

59. A limit??? ??B provide?? ?C destroy?? ?D consume

60. A from??? ??B with??? ??C of???? ?D in

61. A debate??? ?B organization ??C project?? ?D program

62. A reform??? ?B reuse??? ??C repair?? ?D reduce

63. A instead?? ??B because??? C regardless ??D careless

64. A examples?? ?B instructions ??C discounts? ?D receipts

65.A impressive? ??B effective? ??C formal?? ?D typical

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