5-19 Possible long-term consequences of the "greenhouse effect ,"the gradual warming of the Earth's climate, may include melting the polar ice caps and a rising sea level .
B may include the melting of polar ice caps and the rising sea level
E include melting of the polar ice caps and a rise in sea level
KEY: E 请帮忙分析一下这几个选项 非常感谢各位
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