【简答题】A. manufacture B. saw C. travels D. relieving E.extraction F.condensed G.journeys H. handled I. purified J. subjected to K. treated L. as M. when N. refreshin...
【简答题】Identify each of the following compounds. a. A gas with a sweetish odor that promotes the ripening of green fruit. b. An unsaturated compound of the formula C7H8 that gives a negative test with bromin...
【简答题】Please talk about The Importance of Clean Environment. (1 minute) 语音答题,限时1分钟,系统随机分配同伴,同伴互批。 评分标准如下(每项20分,共计100分): a. 准确性 指语音、语调以及所使用的语法和词汇的准确程度 b. 语言范围 指使用的词汇和语法结构的复杂程度和范围 c. 连贯性 指有能力进行较长时间的、语言连贯的发言 d...
【简答题】A. manufacture B. saw C. travels D. relieving E. extraction F. condensed G. journeys H. handled I. purified J. subjected to K. treated L. as M . when N. refreshing O. assigned The ancient Aztecs vene...