读图回答题。 1.两河口附近的平原在发展农业生产方面相同的限制

读图回答题。

1.两河口附近的平原在发展农业生产方面相同的限制性因素是(  )

A.雨热不同期   B.水旱灾害频繁   C.土地荒漠化   D.风沙危害严重

2.初冬和早春,②河段易有凌汛现象出现,这种现象还可能发生在(  )

A.尼罗河   B.密西西比河   C.莱茵河    D.叶尼塞河

答案

1.B

2.D


解析:

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