Rosenberg argues convincingly that public-health advocates ought to take
a page from advertisers, so skilled at applying peer pressure. 粗体的是做什么成分呢?是做advertisers的非限定性定语吗?
The Dutch giant Elsevier, which claims to publish 25% of the scientific papers produced in the world, made profits of more than £900m last year这里为什么要用of more than而不直接用More than呢?
Our
Saturn and Jupiter fleets are still pulling back to guard the Inner planets.Saturn and
Jupiter fleets 中的 fleet 为什么加 s?加 s 和不加 s 有什么不同?Saturn and Jupiter fleets 是不是由 Saturn fleet
and Jupiter fleet 合并而来?
Rich economies are also less dependent on oil than they were, and so less sensitive to swing in the oil price.在这句话中,than 后边接的是they were, than的词性是什么?than具有介词、连词两个词性。