单选题：According to the passage, the earth is

题目内容：

According to the passage, the earth is A．always changing
B．B becoming smaller
C．moving faster
D．getting hotter

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答案解析：

Which of the following may lead to family quarrels according

Which of the following may lead to family quarrels according to the passage?A．U

分类：理工类题型：单选题

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根据相关法律、法规和规定，下列物质中，目前在我国属于危险化学品的有（　　）。 A．高锰酸钾 B．硝酸铵 C．甲苯 D．洗衣粉 E．甲酸乙酯

分类：理工类题型：单选题