看到这样一个句子：The furniture is built using wooden pegs instead of nails.钉制这些家具用的是木栓，而不是钉子。我觉得其中的 using 可以换成 by using（即看作句子是省略了介词 by）。但我想这个 using 可以换成 with 吗？因为 with 也可...
...ars a blue coat in winter. 一般现在时表示他经常穿蓝大衣。He is wearing a blue coat in winter. 现在进行时表示他当下正在穿着蓝大衣.如果我创设一个情景 现在是冬季，我们正在路上走路，突然看到小王穿着蓝色的大衣。我说，look，he is ...
What is rather more significant is the finding that the dopamine neurons in the caudate–a region of the brain involved in learning stimulus-response associations,and in anticipating food and other‘reward’stimuli–were at their most active around 15 seconds before the participants’favourite ...
...thms that determine who sees whom across the virtual bar, tremendous power to engineer mating outcomes. tweaking the algorithns......the virtual bar 这句话做状语还是定语,如果作定语，为什么有逗号。非限制性定语从句不是不可以简化成分词形式吗？如...
News that Cambridge Analytica (CA), a firm linked to President Donald Trump’s 2016 campaign, got data on 50m Face-book users in dubious, possibly illegal, ways has lit a firestorm. 请问这句话中的possibly illegal前面为什么没有and，以及和后面的way要有逗号？
the report's failure to address the true nature of the crisis facing liberal education may cause more harm than good
关于facing有一些疑问，感觉应该是被动啊，
另外请教老师可以the crisis liberal education facing,这样放可以吗
语法The old man sat in front of
the television every evening, happy to watch...这里为什么用sat 不是 sitting？是不是有错误？如果无误，那么这是什么用法？做什么成分呢？还有这句话里逗号是个什么意思？是为了防止句子歧义吗？
...wever，collaborative skills are very important for preparing students for today’s society. More Chinese parents and teachers are realizing the importance of this and are thinking of ways to help students improve this skill.想请教下前面的那个this是指collaborative skill还是collaborativ...