accepted or deserving to be accepted as one of the best or most important of its kind.这句话是摘自classic的释义，为什么中文翻译是同类中最好的，而不是同类中最好之一，和she is one of the tallest girls in our school有区别吗？
A broad public discussion of environmental problems began in the
mid-l980s, when the first green groups formed in opposition to Erevan's intense
industrial air pollution and to nuclear power generation in the wake of the
1986 reactor explosion at Chernobyl.
Environmental issues helped form the basis...
Setting goals is the first step in
achieving them.这是高中英语新教材译林版必修1第1单元的两个句子(p7)。不是说 the first…后面要接不定式作定语吗？为什么这里用 in achieving them?能不能改为 to achieve them 啊？
I caught sight of the criminal in the hotel where i stayed.强调宾语：It was the criminal that I caught sight of in the hotel where i stayed.I bought the book I like.强调宾语：It was the book I like that I bought.这样是没错的吧？
The platypus has an Australian twang the red panda is subtly Himalayan, and the mallard sounds like a Brit. Through live conversations with the exhibits, Ashby hopes visitors will learn more than can fit on the labels that accompany the specimens.这句话的more than can 是不是缺少句子成分...
... Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.and make it dirty or of an unacceptable quality.是第二个省略关系代词的定语从句还是与 Impurities are substances that are present in small qu...
...houghts and behavior, new research shows. In fact, researchers report that the interactive and increasingly graphic mature of some video games makes them "potentially more dangerous" than violence-charged television and movies. Psychologists Anderson and Dill conducted two studi...
...p ________61_(attract).So it was a great honour to be invited backstage at the not-for-profit Panda Base, where ticket money helps pay for research, I________62_（allow）to get up close to these cute animals at the 600-acre centre. From tomorrow, I will be theirUKambassador. The title will be ____...
It's a great feeling to think you're a small part of the reason that a kid decided to give school another try instead of dropping out or that a kid had the strength wp walk away whe someone offered him drugs.the reason that 后面应该是同位语吧？为什么教材后...
Today's arithmetic lesson is on the addition of proper fractions. Please insert yesterday's homework in the proper slot."on是比较正的学术类的关于，the addition of proper fractions是真分数的加法的意思吗？proper还有这个用法呢吗？
So for a company in this situation, keeping up to date with the latest technology, even if it's only for the benefit of key staff, this can be hugely expensive.
请问老师，keeping up to date with the latest technology是什么成分