The problem with electric cars is that they have typically been limited to a range of tens of miles as opposed to the hundreds of miles that can be driven on a tank of gas．本句中as是什么词性？请老师帮忙划分一下句子成分吧？谢谢
Beneficiary's certificate certifying that no prisoner and no children have been emplyed in the production of products comprised in this L/C.请教老师：1. 此处certifying 用法; 2. 我感觉从语法和句意上来说certifying都能舍去，请问老师对吗？
...phoned Tracy's father,Bill Marsh. Bill raced to the hospital, where he was joined by Tracy's mother, Cory.She knew from the way the doctors talked that there was little hope. be joined by什么意思？与...会合吗？怎么用被动语态？
...others.答案是done,为什么不是to be done 呢，want to do sth2.There was a very interesting remark in a book by an Englishman that I read recently___what he thought was a reason for this American characterristic.答案是giving,这句话是什么意思，句子成分也没看懂。
...gging, I decided that the only
reason I’d ever run again is if a big dog was running after me!上面一句摘自2024年新全国卷1的完形填空。这里的 if a big dog was running after me 是引导表语从句吧？记得有书上说过，if 不能引导表语从句的吧？！
...ne time there were not so many cars on the streets.Once upon a time, there was a man called Zheng.3. at the time，at that time在那个时候如：I was staying in Japan at the time.I was living with my parents at that time.4. at no time，never 从来没有，决不如：At no time did I give my c...
...to do 不是表将来的一种动作么？2.You make further inferences, for instance, about how the text may be significant to you, or about its validity—inferences that form the basis of a personal response for which the author will inevitably be far less responsible.about后面how引...
...有趣的问题：“The surprising look on his face suggested
that he was surprised.这里的surprising和surprised怎么理解?” 本站专家刘老师一针见血地指出：他先受惊，然后表情让人惊讶。我只能说刘老功底深厚，能一眼看出问题所在，不过英语...
Equivalent to x**y (with two arguments) or x**y % z (with three arguments)Some types, such as ints, are able to use a more efficient algorithm wheninvoked using the three argument form.来源;计算机文档
The outcome of the review is likely to be just a tweak to its target or communications policy and a decision not to change to its tools.请问老师change to its tools的to是否多余？