山东省烟台市福山第一中学2018-2019学年高二下学期期末考前测试英语试题

山东省烟台市福山第一中学高二期末考前测试英语试卷 第二部分：阅读理解（共两节，满分40分） 第一节：（共10小题；每小题2.5分，满分25 分） 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。 A Plastic-Eating Worms Humans produce more than 300 million tons of plastic every year. Almost half of that winds up in landfills(垃圾填埋场)， and up to 12 million tons pollute the oceans. So far there is no effective way to get rid of it, but a new study suggests an answer may lie in the stomachs of some hungry worms. Researchers in Spain and England recently found that the worms of the greater wax moth can break down polyethylene, which accounts for 40% of plastics. The team left 100 wax worms on a commercial polyethylene shopping bag for 12 hours, and the worms consumed and broke down about 92 milligrams, or almost 3% of it. To confirm that the worms’ chewing alone was not responsible for the polyethylene breakdown, the researchers made some worms into paste(糊状物)and applied it to plastic films. 14 hours later the films had lost 13%of their mass--apparently broken down