The grand mediocrity of today——everyone being the same in survival and number ofoff spring——means that natural selection has lost 80% ofits 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mediocri...
...females in co-operatively breeding species (those in which, for lack of other opportunities, several females collaborate to raise the young of only one ofthem) are more ornamented than those in which all adult females have a chance of breeding. In this case it is females who are...
...的地(用for引入)的状语成分。例如：We were headed/heading inthe direction of Princeton. 我们朝向普林斯顿进发。I think we're headed/heading inthe right direction. 我觉得我们的方向是对的。The ship was headed/heading for Barcelona. 船向着巴塞罗纳驶去。...
The ranks ofthe unemployed are filled with people of all ages and all levels of education who believed that, if you work hard, you will be successful. They never could have envisioned the day when their skills would become obsolete or their jobs would be sent to another country where the overh...
...nd good and even some not so good as they might be, is, finally, cultivate your sensibility so that you may trust yourheart.开始觉得是the more, the more但只有一个greater出现，如果是宾语从句，那cultivate应该是cultivating吧?
... can look forward to no better happiness than that which would be one
with yours.译文为：我的前途没有比跟您生活在一起更幸福的了。以上是从英文小说米德尔马契一书的第五章中，主人公多萝西娅.布鲁克小姐在婚前回复其未婚夫卡苏朋先生所...
During
the summer, when I was a visiting poet at a residency（驻留期）out of state, an angry, confused
woman wandered into my class and said: “I have three guns and I want to use
them.”at
a residency和out of state分别是定语还是状语？
Out ofthe limelight 【课文】 An ancient bus stopped by a dry river bed and a party of famous actors and actresses got off. Dressed in dark glasses and old clothes, they had taken special precautions so that no one should recognize them. But as they soon discovered, disguises can somet...
Because the rate of people searching theinternet for flu symptoms often increases during their onset, we can predict a spike in cases where clinical data lags。由于人们在互联网上搜索流感症状的比率往往在发病期间增加，我们可以预测临床数据滞后的病例会出现...
...了疑问，请老师解答，原文如下：In some European countries, theimage of Father Christmas is identified more closely with Saint Nicholas than with Santa Claus. The red and white suit, that Santa wears, is said to have come from the traditional color of early Christian Bishops’ robes. ...
...a pause in my work, I thought I would give myself a holiday, and I went to the Louvre. I wandered about looking at the pictures I knew so well, and let my fancy play idly with the emotions they suggested. I sauntered into the long gallery, and there suddenly saw Stroeve. I smiled, for his appearance...
句子是:Ihearthere's some puddle jumping going on!老师您好我有几个地方实在不明白：1. puddle 没有带复数，谓语也是 is 是否理解成为puddle-jumping 呢？意味在水坑中jump 这项活动。复合形容词中间的横杠是可以省略的嘛！2. going on 是否理...