最も適切な選択肢をそれぞれ1つ選びなさい。
8. Many people are concerned about the bad effects
of plastics
(A) by
the environment.
On
(C) from
9. A: How do Japanese people say “developing
countries” in Japanese?
B Normally they say,
(A)先進国
(B) 開発途上国
(C) 経済大国
(D) 産業立国
10. Generally speaking, common words “academic
performance” or “school performance” mean a
student's
(A) achievement or success in class subjects
(B) ability to sing, dance, or play music in front
of large audience
(C) daily acts, behaviors, etiquettes and habits at
school