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【单选题】
栽培白皮松的土壤pH值是( )。
A.
4～4.5
B.
5～5.5
C.
6～7.5
D.
9～9.5
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参考答案：
举一反三
【单选题】Many national parks in the west areas of America are among the United States, most treasured natural spaces．From Yellowstone to Yosemite, US national parks stand as monuments to Americans, love of nat...
A.
Americans' cherish their legendary Wild West
B.
the recognition of the importance of these parks
C.
Americans' love of nature and spiritual connection to the land
D.
the appreciation of the beauty and recreation of these places
相关题目：
【单选题】Many national parks in the west areas of America are among the United States, most treasured natural spaces．From Yellowstone to Yosemite, US national parks stand as monuments to Americans, love of nat...
A.
Americans' cherish their legendary Wild West
B.
the recognition of the importance of these parks
C.
Americans' love of nature and spiritual connection to the land
D.
the appreciation of the beauty and recreation of these places
参考解析：
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