Đề thi giữa kì 2 Tiếng Anh 11 có đáp án (Đề 4)

The plastics themselves are extremely energy - rich – they have a higher calorific (18)_________ than coal and one methodn of “recovery” strongly (19)__________ by plastic manufacturers if th

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The plastics themselves are extremely energy - rich – they have a higher calorific (18)_________ than coal and one methodn of “recovery” strongly (19)__________ by plastic manufacturers if the conversion of waste plastic into a fuel.

effect

degree

value

demand

Giải thích

Đáp án: C