Their grandfather was as jovial and sociable as their grandmother was quiet and withdrawn. merriam-webster's vocabulary builder里这句话应该怎么理解，as as 作比较状语从句好像解释不通
...关注的时间之后的事件是指什么？第三个问题：within one and a half to two hours=not sooner than
1.5 hours but no later than 2不早于1.5小时但不晚于2小时. A more plausible way to express that idea would be either to use
"not sooner than hour 1.5 but no later than 2" .（...
It was testimony to the romantic speculation he inspired that there were whispers about him fromthose who found little that it was necessary to whisper about in this...
...essive work of self-scrutiny, occasionally mournful but often funny, rich with insight about what it means move forward as a divided self.请教老师：从语法上讲，本句中的谓语动词 move forward 的动作发出主语是 what it means？还是insight？还是an impressive work...
Race walking shares many fitness benefits with running, research shows,
while most likely contributing to fewer injuries. It does, however, have its
own problem. 这是2020年高考英语全国卷Ⅰ阅读理解C中的一个句子。这里的 while 后接现在分词，while有这样的用法吗？...
He realized that it was because there weren't enough trees to protect
them from the heat.请教一下老师，这句话是同时包含宾语从句：that it was because there
weren't enough trees to protect them from the heat.和表语从句：because there
weren't enough trees to protect them from ...
...指代这个规则。PS.下文是：Intellect is the critical, creative, and contemplative side of the mind. Intelligence seeks to grasp, manipulate, re-order, and adjust, while intellect examines, ponders, wonders, theorizes, criticizes and imagines.
1. How much milk and how many hamburgers did you have this morning,Tom?2. How much milk and hambergers did you have this morning,Tom?3. How many milk and hamburgers did you have this mornig, Tom?上述选项，我选择1；网上有选择2的，原因说是就近原则；请教老师: 该怎样判...
Our society would bebetter off but for the fact that the economy ______ by the current global financial crisis.A. had been affected B. were affectedC. should be affected D. is affected这道题目答案是...
He didn’t move. He went rather pale. He hesitated for a moment and then he told me that he had had bad luck at cards for some time. He hadn’t been willing to stick to bridge, he’d been playing poker, and he’d got trimmed. He hadn’t a penny. He’d pawned everything he had. He couldn’t pa...
...ically revised existing concepts of electromagnetism（电磁），light，and the behavior of moving bodies as set forth in Newtonian physics.如果as set forth in Newtonian physics 是非限制性定语从句，为什么之前没有逗号？如果是限制性定语从句，为什么不是the same....
The leading group of the new type of the coronavirus infection is unified leadership, unified command,and classified guidance to do a good job in epidemic prevention and control.
老师这句话对不对，怎么尽量保留原文的基础上修改？
And last year Khan Academy and the College Board unveiled a free course they say boosts SAT scores for students at all income levels.这里的黑体部分是插入语吗，如果是为什么没有逗号呢？如果不是那是什么成分?