There is gridlock in the international governance system (and) escalating trade (and) geopolitical tensions are fueling uncertainty国际治理体系陷入僵局，贸易和地缘政治紧张升级，不确定性加剧。请问句中的两个and该如何理解呢？
...ssation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms. “and their differing control mechanisms” and 前面并列的内容是什么？这部分在句子中做什么成分？原因状语吗？
Fats and sugar are very rich in energy but poor in vitamins, minerals and dietary fibre. 脂肪和糖类热量很高，但维生素、矿物质和膳食纤维贫乏。fat 是不可数名词吧，这里的复数 fats 是强调不同种类吧，即多种脂肪，对不对？但问题是，为什么 su...
...s if it costs twice it’s $280 price, is completely customizable, slick, and has a whole lot of memory storage.出处同上。请问粗体字it’s $280 price是什么成分？twice是副词吗？whole是什么词性？
...m evaluations
when their fingertips perceived warmth rather than coolness. Andit works the other way too: in
another study, subjects’ fingertip temperatures were measured after being
included in or “rejected” from a group task. Those who were included felt
physically warmer.请问：It works ...
...hard to sit still. 她觉得很难安坐在那里。She wandered round all morning, unable to sit still. 她一上午都在四处闲逛，坐不住。 He was unable to sit still for longer than a few
minutes. 他连几分钟都坐不住。上面句子中的 sit still 是什么结构？...
Original text:No creature has received more praise and abuse than the common garden snail.6 No creature ____ abused more often than ...(a) is being praised and(b) is praised nor(c) has been praised or(d) has been praised and我的答案是d，原因是原文用的是 and。但是课本答案是c否...
There are, of course, exceptions. Small minded officials, rude waiters, and ill-mannered taxi drivers are hardly unknown in the US. Yet it is an observation made so frequently that it deserves comment.网上参考译文：当然，例外是存在的。在美国，心胸狭窄的官员，粗鲁的传...
...出版的义务教育教科书英语(Go
for it !)七年级下册的Words and Expressions in
Each Unit 第2单元中有这样一个短语：do
(one’s) homework 做作业。 我在做家教时，发现有很多学生不能正确使用这个短语。例如，下面的句子都出自现在在校初...
The word 'dictate' means to say something out loud to be recorded, and the word 'dictionary' refers to a resource that lists the words of a language and how to say them, and they both come from the Latin word 'dicere'.求指教！句子中有2个and来连接独立句，这种用法有没有问题？...
...e, because although the yold will constitute a bulge of comparative health and activity over the next decade, by 2030 they will hit 75—and enter a long period of decline for which few rich countries are ready.请问老师这里的because although是可以连用的吗？②By continuing to work, an...
The Urban Mind Project team says it hopes "the results will inform future urban planning and social policy intended (intend)to improve design and health."为什么不能填 to be intended 理解成非谓语做 inform 的宾补？
...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！