The rich natural ______ of North America helped give rise to the industries that

游客2023-07-21  22

问题 The rich natural ______ of North America helped give rise to the industries that would meet these needs.

选项 A、sources
B、resources
C、materials
D、matter

答案 B

解析 source“来源,源头”;resource“资源”:material“材料,资料”:matter“物质”。根据题意,可以排除A, C和D项。
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