答案:C
解析:
Choice C is correct. According to the graph, petroleum usage in the US was about 33 quadrillion Btu in 1975 while coal usage was about 13 quadrillion Btu. In other words, the US used more than twice as much petroleum as it did coal.
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答案:C
解析:
Choice C is correct. According to the graph, petroleum usage in the US was about 33 quadrillion Btu in 1975 while coal usage was about 13 quadrillion Btu. In other words, the US used more than twice as much petroleum as it did coal.
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haven | ['heivn] |
想一想再看 n. 港口,避難所,安息所 v. 安置 ... 于港中, |
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institute | ['institju:t] |
想一想再看 n. 學會,學院,協會 |
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critical | ['kritikəl] |
想一想再看 adj. 批評的,決定性的,危險的,挑剔的 |
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pledge | [pledʒ] |
想一想再看 n. 保證,誓言,抵押,抵押品 |
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available | [ə'veiləbl] |
想一想再看 adj. 可用的,可得到的,有用的,有效的 |
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graph | [grɑ:f] |
想一想再看 n. 圖表,示意圖 |
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statement | ['steitmənt] |
想一想再看 n. 聲明,陳述 |
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horizontal | [.hɔri'zɔntl] |
想一想再看 adj. 水平的,橫的 |
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source | [sɔ:s] |
想一想再看 n. 發源地,來源,原始資料 |
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locate | [ləu'keit] |
想一想再看 vt. 把 ... 設置在,使坐落于,找出 |
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