a billionth为分数词,十亿分之一。分数词、倍数词均为前位限定词,因此其正常位置在中位限定词(定冠词)之前。这是其正常位置。倍数词也是如此。例如,这条绳子是那条的四倍。This rope is four times the length of that one. = This rope is four times as long as that one. = This rope is three times longer than t...
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根据时态一致的原则,主句谓语为showed,宾语从句的谓语应该用过去时was。科技论文的结论中常常用到这种句型。研究者为了体现客观,以第三者的身份介绍研究过程、分析数据,并根据数据得出结论。写论文的时候实验和数据分析都已经结束,故实验过程和数据分析都用过去时表示,当时的实验结果表明用过去时showed,宾语从句也...
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1 可以。例句如下:"What was she wearing?" "I think she had on a dark suit."2 far more than that 可以用 much more than that.
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Debuting in July 2014现在分词短语作状语, the advertisement first featured a famous ballerina soloist dancing 主谓宾 as a voice-over reminisced how she was rejected from a top ballet academy 为as引导的时间状语从句, 其中a voice-over为主语,reminisced为谓语,后接how引导的宾语从句.
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估计是印刷错误。答案应该是 A。 unless otherwise indicated (除非另有说明)
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A relative pressure of 0.99主语 corresponds谓语 to a pore size (diameter) of 193.5 nm状语 and并列连词 hence间接状语 the total pore volume主语 indicated后置定语 is系词 the pore volume of pores表语 smaller than 193.5 nm diameter后置定语.单个过去分词作定语通常为前置定语,但也可以作后置定语,此时强调过...
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时间状语如果放在句首,则只能是修饰want。这就构成逻辑错误。want为静态动词,即心理活动后的结果状态。虽然一般现在时可以表示将来,但你不可能现在就确定你将来一定会出现want这种状态。你充其量是预测。所以如果时间状语放在句首,want就应改为will want. 此时句子意思就变成了:等我长大了,我很可能会想当老师。而现...
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five to ten years in advancefive to ten years修饰介词短语in advance, 而不是后者修饰前者。这类似于 five years before liberation。前者修饰后者,而不是后者修饰前者。
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Officially an experimental craft, testing new propulsion systems and imaging devices for spotting space debris, American scientists and military leaders have watched the sj-17 perform remarkable manoeuvres.Officially an experimental craft, testing new propulsion systems and imaging devices for spo...
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There should be where Tom lives.这是一个完全倒装句,there为地点副词,必须重读。where Tom lives 为名词性关系分句,where为融合型关系副词,= the place where. 如果不倒装,则为:Where Tom lives should be there. 汤姆住的地方应该是那里。这个句子不宜分析为存在句。因为存在句的真正主语必须是泛指意义,where得...
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