Styrofoamisaplasticwithabadreputation. Itcannotberecyc...

问题详情：

  Styrofoam is a plastic with a bad reputation.

  It cannot be recycled without releasing(释放) dangerous  61  (pollute)into the air. The U. S. Environmental Protection Agency  62 (say) it is the fifth largest creator of dangerous waste.

  Scientists from the U.S. and China have discovered that mealworms can digest plastic. One mealworm can digest a pill-sized amount of plastic a day.

Study co-author Wei-Min Wu says that in 24 hours, the plastic  63  (turn) into carbon dioxide.

Are the worms hurt by  64  (eat)plastic? The study found that worms eating Styrofoam were as  65  (health)as worms eating bran(糠).

Styrofoam is a light-weight material, about 95 percent air, with very good insulation properties(绝缘*), according to . It is used in products from   66  (cup) that keep your drinks hot or cold to packaging material  67  protects items during shipping.

“Solving  68   problem of plastic pollution is important. Landfill space is becoming limited.”says Wu, a Stanford University environmental engineering instructor.

About 33-million tons of plastic are thrown away in the United States every year. Plastic plates, cups and containers take  69  25 percent to 30 percent of space in America's landfills. One Styrofoam cup takes more than 1 million years  70  (recycle) in a landfill, according to Cleveland State University.

【回答】

61. pollution     62. says         63. is turned    64. eating    65. healthy 

66. cups         67. that/which    68. the        69. up       70. to recycle

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