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【单选题】
以下害虫均为迁飞性害虫的是（）
A.
甜菜夜蛾、小菜蛾、斜纹夜蛾
B.
小菜蛾、小地老虎、斜纹夜蛾
C.
小地老虎、菜螟、甜菜夜蛾
D.
斜纹夜蛾、小地老虎、甜菜夜蛾
参考答案：
参考解析：
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【单选题】Even plants can run a fever, especially when they’re under attack by insects or disease. But unlike humans, plants can have their temperature taken from 3,000 feet away- straight up. A decade ago, ada...
A.
the lack of official support
B.
its high cost
C.
the lack of financial support
D.
its failure to help increase production