单项选择题

There is already clear______ to show that plants and animals are being affected by climate change.

A. witness
B. certification
C. identity
D. evidence

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单项选择题

Mass advertising helped to （）the emphasis from the production of goods to their consumption.

A. vary
B. shift
C. lay
D. moderate

单项选择题

Mrs. Gmith was so ______ about everything that no servants could please her.

A. specific
B. special
C. precise
D. particular

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