Astrophysicists working with groud-based detectors at the south pole and balloon-borne instruments are closing in on such structures,and may report their findings soon.天体物理学家们使用南极陆基探测器及球载仪器进行观测，正越来越接近这些云系，也许不久他们就...
...的 sit 属于“近似于不及物动词的系动词”：He sat silent (or idle,
cross-legged, thinking, writing a letter, surrounded by friends). 动词 sit 后面接形容词 silent, idle 等时被看作系动词还可以理解，但它后面接的现在分词 thinking,
writing a letter 也看...
请问这个句型里除了have difficulty (in) doing…外这里的 trouble / difficulty 可以理解成不可数，所以可以不用加不定冠词 a 或变复数，那有 have problem (in) doing...吗？查了查有人说可以，有人说该加 a 或变复数 problems。我想问的是有这个...
...er the more than 150 Chinese compatriots still missing after the loss of the Malaysian Airline flight MH370. We will continue our efforts to locate their whereabouts.译文：这一年，我们也经历了一些令人悲伤的时刻。马航MH370航班失踪，150多名同胞下落不明，我...
...r findings. For example, the difference between decaffeinated and regular coffee could not be accurately accounted for, nor could specific recommendations be made for type of tea, though due to its popularity in the Netherlands where the study took place, researchers assumed most tea consumption to ...
But this is merely a cooling instead of a price crash in first-tier cities, to be followed by very small price increases beginning now.请问老师这句话后半句的语法点是什么？
...ect their own educational background as much as a belief in the importance of education for upward mobility. 翻译答案给的是 有趣的是，父母对教育的态度似乎并没有反映出他们自己的教育背景，而是相信教育对向上流动的重要性。 求教老师，...
You can use a large plastic bottle,______cut off, as a pot to grow young plants in.B the top of whichD with its top答案D。疑问：答案说cut off 不是完整的谓语，所以用独立主格，不用定从。cut off 怎么就不完整了？
In
fact, by lowering costs of production, automation can create more demand for
goods and services, boosting jobs that are hard to automate.若按及物动词理解，悬空不定式的逻辑宾语是that，这样就会出现that在定语从句中既是主语又是automate的宾语的情况？...