...r , we need a mechanism in place that signals, 'Hey, stop doing that thing and do something else'." That mechanism, he suggests, could be fatigue.因为多个目标相互竞争占用我们的时间，而我们需要一个机制来发出信号，'嘿，停止做那件事，去干点别的。'”他...
...析一下与动词时体有关的问题：Tom _____ in China
for 20 years. And now he teaches Chinese in America.A. arrived B. has arrived C. has
been D. was参考答案是C.估计是有人认为现在完成时是“因”，后面的一般现在时是“果”，所以有人靠判断前后是...
下面一句来自2018年全国卷2的语法填空题：A taste for meat is ___63___ (actual)
behind the change：An important part of its corn is used to
feed chickens, pigs, and cattle.答案填 actually。请问这里的
actually 是修饰什么的？
...ssence”, has been 200 years old, enjoying a high reputation both at home and abroad.请问句子中的 has been 200 years old 用得对吗？我是说这里的现在完成时用得对吗？有人说要改成 has a long history of 200 years，有这个必要吗？谢谢解答！
...applies to the Unabomber,whose manifesto ,published in 1995,scorns science and longs for return to a pretechnological utopia.同位语一旦判断就可以略读，所以双逗原则需要学习。可是多个逗号情况下，如何判断内容是同位语，是语法上有方法还是语义上分...
...on't restrict your attention to American or Western culture. Learn how and what people elsewhere think. Learn something of their history, their religion, their viewpoints. In a world as tightly connected as ours is 中的 connected 是过去分词做形容词吗？这句话什么意...
This animated reworking of the Spidey mythos is fresh and exhilarating in a way that very few of its live-action counterparts have been. 有两个问题一是这个事in a way后的that引导的是定语从句吗，它在句子中是副词做be的表语？而是very few的very是副词，few是代...
Most of all,let's be the generaion that never forget what happend on that September day and confront the terrorists with everything we've got.其中confront...with是面对的意思吗？everything we've got做句子的什么成分？是什么意思？
...么？同理：Assisted migration really needs this level of oversight—and soon.Currently, there’s no public policy on using assisted migration to help species survive climate change.
cap in hand恭敬地的意思，不是有地就是副词词性吗？His son never asks for parents to come cap in hand，and have to come cap in hand to us，he is able to earn his own living now.这里的come是被cap in hand修饰吗?这里的cap in hand是修饰to come吗？come这里是动词吗...
...resolved. I’ve found that when conflict occurs, it helps to fully understand the other person’s perspective, so I take time to listen to their point of view, and then I seek to work out a collaborative solution.have had conflicts，here have been disagreement这里为什么要用完成时，而...
...pt across the country, with some outbreaks of property damage looting and clashes with counter protesters.1) seen (see) 动词see这里是什么用法和含义呢？2) erupt 是因为see sb do sth, 所以erupt用了动词原形吗？即上句中，erupt是不带to的不定式作宾补？3) 麻...
...词的分类是什么，从属连词和对等连词吗？比如 I love you and your
sister. I will come here before you get
there.连词后面是要接一个句子吗，还是接什么，该如何区分？连词后面接词组或完整句子如何判断，I will tell that
the invention of electric...