题干
People often use plastics to ______ wood or metal.
A：in place of
B：take their place
C：take the place of
D：instead of
答案(点此获取答案解析）
C
A：in place of
B：take their place
C：take the place of
D：instead of
可由同一营养级的多种生物取代⑧生产者和分解者构成生物圈无机物和有机物的循环回路