The conventional theory is that people yawn when bored or sleepy because yawning raises blood oxygen levels, which in turn raises alertness.whchi in turn 在这里不是否定吧？是进一步吗？
有一句语法看不懂，还望老师赐教。Such variations in size, shape, chemistry, conduction speed, excitation threshold, and the like as had been demonstrated in nerve cells remained negligible in significance for any possible correlation with the manifold dimensions of mental experienc...
Kids from different economic backgrounds behave ___56._____(different) in classrooms. For example, working-class kids are ___57._____likely to ask for help from teachers than their middle-class counterparts. And when/if they do ask for help, they’re less aggressive about it.That’s ac...
"My
dear Madam," replied he, "let us be for ever silent on this point.
Far be it from me," he presently continued, in a voice that marked his
displeasure, "to resent the behaviour of your daughter. Resignation to
inevitable evils is the duty of us all; the peculiar duty of a young man who
has been s...
At
any given point in time, most college students are stressed about something.
It’s just part of going to school.While
having stress in your life is normal and often unavoidable, being stressed is
something you can control. Follow
these tips to learn how to keep your stress in check and how to re...
第一句，Today we're going to have real English food. I want to cook something really Englishi food,这里不是应该也用 real 吗？第二句,why do you say that?英语书上电话对话中的，怎么不用did, 因为整段对话中都是用的过去式.I hear it's often foggy...
...副词作其宾语？就像下面这个句子里的那样：It’s too hot in here.(in here是个介词短语)The sound from upstairs woke me up.(from upstairs是个介词短语)2)over there到底是“两个单独的副词分别作way的后置定语”还是“一个介词短语作way的后置定...
1) Before he entered the institute, Jim had served in the army.2) Before he had entered the institute, Jim served in the army.有人认为第1, 2句意义相同，但是，第二句从句中使用过去完成体的语义逻辑是什么？3) We had not thought of the solution until they gave us some ...
...给段落开头语续写两段，使之构成一篇完整的短文。The twins were filled with excitement as they
thought of the surprise they were planning for Mother’s Day. How pleased and
proud Mother would be when they brought her breakfast in bed. They planned to
make French toast and chicke...
The haunting paintings of Helene Schjerfbeck, on show in the final leg of a travelling tour that has already attracted thousands of visitors in Hamburg and The Hague, may come as a surprise to many.分析翻译句子