正确答案: D

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题目：38_______

解析：D

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举一反三的答案和解析：

[单选题]亚种的缩写为ssp．，品种的缩写为cv．。( )

正确

[单选题]CAmerican cities are similar to other cities around the world; In every country. Cities reflect the values of the culture. American cities are changing， just as American society is changing.

They are similar.

[单选题]What has Barbara got in her suitcase?

Shoes