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(300)乙二醇属于()类有机化合物。
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(a) C4H10O属于()类有机化合物。
(b)CH3OC2H5属于()类有机化合物。
(c)乙二醇属于()类有机化合物。
Cloze: Text-relatedComplete the passage with words chosen from the Words and Phrases to Drill box. Change the form where necessary.abolish alongside bid authorize capture compel confident conviction decade disguiseforge historic impose missionmotivate racial religious settlement shelter siteslender spot terminalthreatweb as forat riskbe intent onclose in (on / around) in the eyes of make the best of on the side pass for stand up (for)The Underground Railroad was ______________ (1) by the efforts of those who were prepared to fight against slavery and ________ _____ _________ (2) for the long-suffering Southern black Americans. Some of those who helped to transport slaves to the north and freedom were former slaves themselves. Others felt ________________ (3) to take part because of their deeply held _________________ (4). For many of those involved, liberating the slaves from those who exploited them became a __________ (5). While their eventual goal was to ___________ (6) slavery completely, in the meantime they were ________ _____ (7) helping to free as many slaves as possible, often at considerable _________ (8). ______ ________ _________ ______ (9) slave owners, they were dangerous enemies and frequently received death ____________ (10).
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