In the 30 years he’s been working to identify, preserve and study fossils in our national parks, that number has gone up to 265 of the 414 units of the National Park System – in part, thanks to his work.这句话好像没有从句，全是主句，而且还没有并列连接词。正确吗？请...
老师好：请教一下。1）The radio only weighs a few ounces and is smaller than a cigarette packet...2）They talked on the phone for more than an hour.在这两句话中，than a cigarette packet...是不是充当句子的比较状语？than an hour是不是充当more的定语？
thanks to the subsequent media inerest, a few dozen other subjects (including Veiseh) have since come forward and contacted The team at The University of Califonia.
请问这里since是什么用法？
A business plan is a formal statement of a set of business goals, the reasons they are believed attainable, and the plan for reaching those goals.句中的 the reasons they are believed attainable 在从句中做什么成份？
"one," the old man said. His hope and his confidence had never gone. But now they were freshening as when the breeze rises.（海明威老人与海）。为什么句中出现了as when连用？
....the wealthy of the old regime were retrenching and flooding the
market with beautiful hardwood furniture. 主要是flooding with。With him was his wife，a sharp efficient woman disliked by the poorer people in the lane for
her arrogant manner.我自己翻了，但是太直译机械了。
...the year succumbed to a sparkly
lure, anglers of both sexes, several races and all sizes have been lining the
bank of the Potomac in Washington, DC, like salmon-hungry bears. 我感觉看作定语从句和状语从句都可以，是这样么？谢谢各位老师！
Hydrogen，which is ______ than oil, is pretty easy to produce and does not harm to the environment.空格处为什么不能填 an energy source more abundant呢？如果这么填的话，an energy source 看做is 的表语，more abundant than oil 看做an energy source的定语。这样子的话...
Seen as a concern only of data-rich industries such as banking, telecoms and air travel, information protection is now high on the boss's agenda in business of every variety.这句话中，only的词性是什么？是否为形容词，加of data-rich industries构成形容词短语，修饰名词co...