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...
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？
...句时都能在从句中作表语吗？当作表语，先行词指人时who和that能相互替换吗？先行词指物时which和that能相互替换吗？2. He is not such a fool as he looks.他并不像看起来那样傻。为啥looks后面没有like呢？不应该是he looks like a fool么？
老师您好：麻烦请教下，do和say不是应该是及物动词吗？学校老师说过：只能说 what do you say to going
out... 不能说 How do you say to going out... 因为what是疑问代词可以作及物动词say的宾语，而how是疑问副词不能作及物动词say的宾语。可...
...espassing be
affected by fine？有点不理解）The firm is subject to state law.The schedule is tentative and subject to change. [=the schedule may be
changed at a later date]还有prices are subject to change（价格被变化影响？变化影响价格？）
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...