题目内容

The WorldEnvironmentDayisseton_________everyyearsicne1970bytheUnitedNations.

A. March5
B. May5
C. June5
D. July5

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Whofounded the Sierra Club in 1892 to promote conservation in the US?

Aldo Leopold (1887-1948)
B. Gifford Pinchot (1865-1946)
C. Rachel Carson (1907–1964)
D. John Muir (1838–1914)

Who wrote the book Silent Springand published it in 1962 intheUS?

AldoLeopold(1887-1948)
B. JohnMuir(1838–1914)
C. RachelCarson(1907–1964)
D. GiffordPinchot(1865-1946)

Whofounded the organization that would become The US Forest Service and served as chief of the organization while Theodore Roosevelt was president?

A. Gifford Pinchot (1865-1946)
B. JohnMuir(1838–1914)
C. RachelCarson(1907–1964)
D. Aldo Leopold (1887-1948)

Who is a Scottish-born American naturalist and one of the most famous preservationists in US history?

A. GiffordPinchot(1865-1946)
B. JohnMuir(1838–1914)
C. RachelCarson(1907–1964)
D. AldoLeopold(1887-1948)

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