Not only is the advent of bookless or largely bookless libraries too large and powerful a change to be forestalled, it also offers too many real advantages for it to be considered a tragedy.请问老师这里的to be considered a tragedy是不定式还是too...to结构，为什么呢？还是too..to...
... the thermal conductivity of MC to decrease sharply, then decrease slowly, and finally stabilize.这些变化趋势将导致MC的导热系数急剧下降，然后缓慢下降，最后趋于稳定。老师，我想提问上句用cause或lead都可以吗？我的疑问如下：lead 的使用结构有 ...
...ing 表示完成，已经输了。相当于She was chocked up by the sight that her team had lost/lost in the last minutes of the match. 是吗？第2句making their way表示进行，正在迁移。 请老师脱离以上例句规律性的讲解一下如何判断doing相对应的时态？如何...
...logist Zahi Hawass.
"They were building Egypt.It
was a national project, and everyone joined the activity."It's
because they were 中的it 具体是指的什么呢？
另外， joined the activity 还是应该是 joined in the activity 呀
...：1. To be obeyed was natural to her.2. The bookis intended to be read and not to be torn.第一个问题：先说下我对第2个例句的理解，整句是被动语态，又加上不定式的动作发生在限定动词之后，所以不定式使用的是一般式的被动语态to be+过去分词...
各位专家老师你们好，Despite a seemingly
promising future where street vending sweeping the country and the
economy flourishing, there are several notable concerns yet to be
addressed. 请问前半句where引导的关系从句中的动词sweep和flourish为什么要用非谓语形式？
... above normal over a
sweeping area of the northeastern US Monday afternoon and are expected to rise
up to 25 degrees above normal through the rest of the workweek.个人理解：above作介词，normal
作介词宾语。表示超出正常水平。在文章中作degrees的就是修饰语，补充说...
...制性定语修饰，最高级的the不能省略。This is the best book (that) he has ever written.”我想确定“限制性定语”是否只能是定语从句，可不可以是后置定语（PEU412的说法是“限定性词组”，故发问），比如 He is the best in his class，后面的...
...，剑桥英语语法第13章，1.3节Comparative
construction 中，bare and expanded 那个地方应该怎样解释呢，还是有点不懂比如说：We performed better than we did last year.不是既能说than we did last year是expanded comparative
complement又能说we did last year是bare co...