A、It requires procedures like cleaning and grinding. B、Few people carry their plastic garbage to recycling centres. C、There is a

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问题  
W: Finals tomorrow. I’ll have to go over all tonight.
M: You’re grasping at straws if you think you can pass that exam by starting to study the night before.
Q: What does the man mean?
M: Plastic garbage again. Is it so difficult to recycle plastic containers?
W: Sure, the biggest problem is that plastics come in many different types and it’s impossible to tell some of these apart just by looking at them.
Q: What is the biggest problem for plastic recycling according to the woman?

选项 A、It requires procedures like cleaning and grinding.
B、Few people carry their plastic garbage to recycling centres.
C、There is a wide variety of plastics hard to sort out.
D、Most plastic grocery bags cannot be recycled.

答案C

解析 推理判断题。两人在讨论塑料垃圾的回收再利用问题。女士指出最大的问题就是塑料的种类太多,一眼看上去根本不可能区分其种类。
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