摘要： 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式，并将答案填写在答题卡相应的位置上。Before you throw an empty plastic bottle into the recycling dustbi
Before you throw an empty plastic bottle into the recycling dustbin, you should make sure that the lid (盖子) is still attached. This advice seems to go against everything ____41____ we have been taught before. It’s true that bottles and lids are typically made of different kinds of plastic. In the past, the plastic recycling industry was not ____42____ (effective) recycling bottles with lids on so the message to remove the lid ____43____ (create).
Recycling ____44____ (technology) have improved since then, and keeping the lid on is no longer a problem now. The two parts are separated naturally in a process ____45____ (refer) to as a water bath. The bottles float and the lids sink, which makes it easy ____46____ (separate) them. On the other hand, removing the lids can cause them to be sorted improperly in the recycling process. Because of their small size, separate lids are often sorted ____47____ piles of landfill (垃圾填埋) waste. They are also common ocean pollutants, and can be ____48____ (harm) to animals in the ocean.
It’s also common for people to crush (挤压变形) plastic bottles before ____49____ (throw) them into the dustbin, but that should also be avoided. That’s _____50_____ they could be confused for paper during the sorting process and end up in the wrong place.
【答案】41. that
42. effectively
43. was created
44. technologies
45. referred
46. to separate
47. into 48. harmful
49. throwing
50. because
【解析】
