The river and the nutrients it brings also support the world’s biggest inland fishery, accounting for a quarter of the global freshwater catch, feeding tens of millions of people.各位老师能否给分析一下这个句子的结构，accounting for 是什么成分，谢谢！
...选哪个选项比较合适呢？
______will leave for Beijing。
A. Now there the man B. The man here now。C. The man who is here。
D. The man is here now
我觉得B, C都可以，但是答案给的是c，不知道这两种句子有什么区别，望老师解答。
The passions at play were evident both inside and outside the House chamber.请问这个at play 应该怎么理解? 结构上,at play 和 both inside and outside the House chamber 都是 The passions 的定语吗?
The results from 39
pairs revealed participants' own reports and their measures of heart rate,
respiratory rate and skin conductance showed the emotional films generated
stronger responses than the neutral film.
这句话的开头这个revealed是过去分词吧？后面这个participants'....是...
The old building is where the clerks live,and the blue one is where the spare parts ______.A. are producing B. being produced C. produced D. are produced老师，您看一下这一题的时态，还有这一题为什么要用被动语态啊？请老师详细讲解这道题！
A judge for the future city contest says it taps intothe creativity and imagination of students.“未来城市”大赛的一名评委表示，该比赛激发了学生的创造力和想象力。A judge for the future city contest 和 A judge of the future city contest 含义理解上有不同吗...
Why
did the difference between the "white bikes" of the 1960s and of
1999?参见北师大高中英语必修第三册第8单元(p38)。请问句子中的
of the 1960s 和
of 1999 是并列结构吧，后面一个介词
of 可以省略吗？
...解，请老师指教。FIG. 1C is an enlarged bottom perspective view of the ceiling fan of FIG. 1A illustrating the motor housing and a retention system.图1C是图1A的吊扇的放大仰视透视图，图1A示例了电机壳体和保持系统。illustrating the motor housing and a retention syste...