At some intermediate PH called the isoelectric point, the protein molecule has no net charge. This can lead to attraction of protein molecules to each other resulting in loss of solubility, coagulation. and precipitation.中lead to是后面句子的谓语，attraction of protein molecules to e...
...了young people后面？ 2. Just the day before, a stranger ahead of her in line had generously paid
for her coffee.Just the day before是省略了介词吗？补充完整是不是Just at the day before？ 3. As in all of my races, I didn't start out in the front. I loved the
pleasure of passing p...
...在不断恶化。美国人仍然在开车时发短信、使用社交网络和拍照。多年来一直在下降的交通事故，现在正在急剧上升。 That
is partly because people are driving more, but Mark Rosekind, the chief of the
National Highway Traffic Safety Administration, said distr...
The Tampa Bay Buccaneers quarterback posted the clip, but outlets are
tossing it back in his face.请问老师，句中的back和in分别做什么成分？它们和动词的关系是什么？它们之间又是什么关系？类似的结构该如何分析？
Innovations are occurring at a bewildering rate: as many now arrive in a year as once arrived in a millennium.选自《Old Father Time Becomes a Terror》—Richard Tomkins译文：新技术纷至沓来，令人目不暇接：一年涌现的技术创新相当于以前一千年。请问老师这句...
Putin says Russia to target U.S. if missiles put in Europe.
老师说新闻标题省略Russia后省略了is,missiles后边省略了were如果是虚拟语气的话那么第一段President Vladimir Putin signaled Russia will aim new weapons at the U.S. if it stations missiles in Europe after quitting...
...d with courts of law. We might say that
justice has been done when a man's innocence or guilt has been proved beyond
doubt. Justice is part of the complex machinery of the law. Those who seek it
undertake an arduous journey and can never be sure that they will find it.
Judges, however wise or eminen...
...，这里是by+doing的逻辑主语为patterns导致的错误,还是imitate和practice都是及物动词导致的第一句不对？第二句, by imitation and practice, 介词+名词，就不存在逻辑主语的问题了吗，我认为和在逻辑主语方面，by+名词和by+doing是一样的？