問1 Under the first poster heading, your group wants to introduce the plastic recycling symbols as explained in the passage. Which of the following is the most appropriate? ( 1 )

① They are symbols that rank the recyclability of plastics and other related problems.

② They provide information on the chemical make-up and recycling options of the plastic.

③ They tell the user which standards organization gave them certificates for general use.

④ They were introduced by ASTM and developed by the Society of the Plastics Industry.


問2 You have been asked to write descriptions of Type 2 and Type 3 plastics. Choose the best options for ( 1 ) and ( 2 ).

Type2 ( 1 )

① and commonly known as a single-use plastic

② and used at a wide range of temperatures

③ but harmful to humans

④ but unsuitable for drink containers

Type3 ( 2 )

① difficult to recycle and should not be burned in the yard

② flammable; however, it is soft and cheap to produce

③ known to be a non-toxic product

④ well known for being easily recyclable


問3 You are making statements about some plastics which share common properties. According to the article, which two of the following are appropriate?(The order does not matter.)


(  )(  )

① Boiling water (100°C) can be served in Type 1 and Type 6 plastic containers.

② It is easy to recycle products with Type 1, 2, and 3 logos.

③ Products with the symbols 1, 2, 4, 5, and 6 are suitable for food or drink containers.

④ Products with Type 5 and Type 6 markings are light in weight.

⑤ Type 4 and 5 plastics are heat resistant and are widely recycled.

⑥ Type 6 and 7 plastics are easy to recycle and environmentally friendly.



【正答】

問1 ② 問2 1:② 2:① 問3 ③,④

出典:共通テスト2022本試験 - 大問6B

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