今回は、第６問 A を終えて
第６問 B に入ります。
それでは、第６問 B の問題を見ていきましょう。
B You are in a student group preparing a poster for a scientific presentation
contest with the theme “What we should know in order to protect the
environment.” You have been using the following passage to create the poster.
ー The world is full of various types of plastic. Look around, and you will see
ー So, what do these numbers mean? One group (numbers 2,4, and 5) is
ー High-density Polyethylene is a recycle-type 2 plastic and is commonly
ー Now let us look at the second group, Types 1, 3, 6, and 7. These are more
ー Currently, only about 20% of plastic is recycled, and approximately 55%
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?【 44 】
① They are symbols that rank the recyclability of plastics and other
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
問２ You have been asked to write descriptions of Type 2 and Type 3 plastics.
Choose the best options for【 45 】and【 46 】.
Type 2 【 45 】
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
Type 3 【 46 】
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.) 【 47 】【 48 】
① Boiling water (100℃) 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
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.