...ame in survival and number of off spring——means that natural selection has lost 80% of its power in upper middleclass India compared to the tribe.老师，破折号内独立主格结构做什么成分呢？句意上感觉应该是对mediocrity的解释说明，但独立主格不是不能做定...
Since 1934, better than half a billion dollars has gone into that Fund
to purchase more than 5 million acres of habitat.句子来自2021年新高考全国乙卷/全国卷I的阅读理解C，句子中的 better than 是什么意思？钱没有好坏之分吧？better than 在这里有什么特殊用...
...老师专家一个问题，是填attraction 还是 attractions？Chengdu has dozens of new millionaires, Asia’s biggest building, and fancy new hotels. But for tourists like me, pandas are its top ___61___ (attract).请教您这里的 attraction 为什么不是复数呢？前面是 pandas are 后...
下面的这个句子如何变间接引语？“Who is your English teacher?” Father asked.我的疑问是下面哪句对？（词序是关键）Father asked who was my English teacher. Father asked who my English teacher was. 这就是说，如何判断原句中的 who 是主语还是表语？
We would have taken any way rather than this,but it was late and growing dark,and the railroad bridge was a short way to get home.老师，than引导比较状语从句，但rather又如何理解？
In Soapy’s opinion the Law was more benign than Philanthropy. There was an endless round of institutions, municipal and eleemosynary, on which he might set out and receive lodging and food accordant with the simple life.在苏比眼里，他可去的地方多的是，有市政府办的，有救济...
There was general agreement that the PC had become a commodity, product, its makers mere box-shifters, and that growth prospects were mediocre. Further consolidation was all the industry had to look forward to.人们普遍认为，个人电脑已成为一种日用商品，其制造商不过...
She wants to know whether the measures have been agreed ( ).A. toB. withC. aboutD. uponE. over答案是D.upon (=on). 但是我很奇怪和不解：A. to, B. with, C. about - 这3个选择不也可以吗？