12. We should use _____________pens and pencils to reduce rubbish.
A. reliable B. reusable C. refillable D. sociable
13. In the future, we will have ___________to do housework.
A. robots B. wireless TV C. smart phone D, hi-tech fridge
14. Eiffel Tower is the most attractive ____________in France.
A. building B. resor C. square D, landmark
15. We should use _________to save natural resources.
A. oil B. solar energy C. coal D. gas
16._______________ means creating new products from used materials.
A. Reduce B. Reuse C. Recycle D. Rebuild
17 If the ______________ is polluted, we won’t have enough food to eat.
A. water B. air C. noise D. soil
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Sinh Học lớp 12
