They may experience feelings of extreme dread and elevated heart rate leading up to the procedure.他们会在这一过程中感到由之产生的极度恐惧并心跳加速。lead up to是导致，致使的意思，leading up to the procedure翻译无法理解，在句中作什么成分？
...e on participants as
they completed tests of creative thinking. They were randomly divided into four
groups and exposed to various noise levels in the background, from total
silence to 50 decibels (分贝), 70 decibels, and 85 decibels. The differences between
most of the groups were statistically i...
... the reactor was cooled to room temperature, the remaining gas was vented, and the slurry and solid collected.这是科技论文里面的一段话，在“the reactor was cooled to room temperature”与“the remaining gas was vented”用的逗号隔开，而后面的加and的并列句子中又省...
...：In World War Ⅱ，Japan hoped ________ its power to the whole Asia，and it did not succeed.A. extend B. extending C. to extend D. to have extended这个题能不能选C。我的观点是这样的：就像描述过去的两件事，A先于B发生，A可以是过去完成时，但如果不是...
The movie teaser released Thursday, in the lead up to the Chinese New Year holiday, shows a rural man’s attempt to discover what his city-raised granddaughter means when she says “Pei Qi" —“Peppa Pig” in Chinese. 这里的attempt后面的不定式是目的状语还是后置定语...
...at a live frog first thing in the morning and nothing worse will happen toyou the rest of the day.1. one of the famous quotes says ... 这是主干对么2. albeit a bit strangeableit，我查了字典，是个连词，类似although，连词后面不应该加句子吗？为什么这里加名词。3...
the safety and stability of a country, the social protections available to families and children, and whether norms lead to open discussion of the issue.
( ) the concert to raise money for hunger relief andto make the public aware of the problem, Geldof invited many famous musicians to take part in it.A. Intended B. Intending C. Having intended D. To intend老师，为什么答案是B. Intending ? D. To intend 为什么不可...
...tread carefully 的句子成分和if needed的合理性The other shoppers and I were shepherded out the storeroom back door, told to tread carefully and were offered support if needed. told to tread carefully 是状语吗？if needed省略的support还是it？谢谢老师！
many words and word elements of the technical vocabulary have become sufficiently a part of the general vocabulary of English as to require entry in an abridged dictionaryas to后接名词代词或从句，为什么这里接了require？还是说是as的单独用法？(来自韦氏大学词典P17a...
各位老师好，我想问如下这个问题：He warned that the creation of artificial intelligence will be
"either the best,or the worst thing, ever to happen to humanity".我认为ever是修饰不定式中的happen的，那么是否可以改写成 "to ever
happen to humanity"呢？
Business ads on TV, radio and newspaper provide useful and valuable information about a product or service to target audiences, help them to compare qualities of different products and choose the most cost-effective one.请问这句target audiences逗号后无连接词为什么可以直接跟help？