Which is not secondary primary environmental problem:
A、Desertification
B、Optical radiation
C、Volcano eruption
D、Soil erosion
A、Desertification
B、Optical radiation
C、Volcano eruption
D、Soil erosion
What development is mentioned in the fourth paragraph?
A.Product design is becoming secondary to ethical considerations.
B.A company's reputation is growing in importance over its brands.
C.Ethical considerations can lead to effective innovation.
D.Competitiveness is becoming harder to maintain over time.
A.to which
B.in which
C.by which
D.through which
【C9】
A.in which
B.with which
C.for which
D.of which
A.by which
B.of which
C.to which
D.for which
A.by which
B.for which
C.in which
D.of which
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