Carbon electrode materials with high electric conductivity are required to accommodate more electrolyte ions.这个句子中carbon electrode materials 这三个名词可以充当一个主语吗？可以连在一起吗？
...ere like ourselves lived so long ago that even their sagas,if they had any,are forgotten.请问这句话中的if they had any是插入语吗？插入语不是不做成分的吗？可是if they had any是条件状语从句，所以像这样两个逗号之间插一个状语从句的还能算作插入...
...谓语动词需要与后面作表语的保持一致，如: What they need are books. What they need is live. 那在这句话中: What impressed me most was that the trees were green and that the river was clear. 后面不是两个从句吗？那前面不应该是用were吗？
请问老师：Paid and owned media are controlled by marketers promoting their products.promoting their products除了被分析为marketers的后置定语，可否被分析为结果或伴随状语？即由Marketers control paid and owned media promoting their products.变被动而来，分析...
_____ the trainer wanted to tell is _____ Asian elephants are easier to
tame than African ones.A. That, those B. What, that C. What, the D. That, the为什么选 B 而不是选 C？
... to a 2011 study by researchers at ColumbiaUniversity in the US, those who
are sleep-deprived eat almost 300 calories a day more than those who get enough
sleep.根据美国哥伦比亚大学2011年研究人员的一项研究，睡眠不足的人每天摄入的热量几乎比睡眠充足的人多300...
A landmark 2003 study by Goldman Sachs predicted that four economies — Russia,Brazil,India and China — will become a much larger force in the world economy than widely expected,based on projections of demographic and economic growth,with China potentially overtaking Germany this decade.尊敬的...
...ngzhou R&F moved back to the top of the Chinese Super League standings on Monday afternoon with a 4-1 victory over previously unbeaten Liaoning Whowin.上文中的 as 引导的好像是结果从句，但 as 好像不能引导结果从句（我记得），请老师讲解一下，谢谢。
They often spend entire afternoons on nothing more productive than mahjong.请问上面的句子是什么意思？我的困惑在 nothing more productive than mahjong。相关链接如下:http://www.yygrammar.com/Article/201105/2237.html
...eir black kid shoes braced against the uprights. He turned to take a sight on the far shore, cradling the oarhandles, taking the pipe from his mouth to wipe his chin with the back of his hand.文中红色部分为何没有谓语，句子前后都是句号。该怎样理解。
Our historic concentration of policy attention and resources on young people cannot meet the new needs.(2009.12.CET-4)
问题：
1.Our historic concentration// of policy attention and resources
2.Our historic concentration of policy attention //and resources
在平时阅读中改如何去断...