单元小测(Unit 6) Ⅰ.1.working 2.to fetch 3.sneezing 4.invisible 5.have finished 6.was submitted 7.reality 8.Tragically 9.that 10.a Ⅱ.1.sign up for 2.went wrong 3.working out 4.look back 5.carry out Ⅲ.1.No matter how/However complex the problem may seem 2.setting in the west 3.beautiful was the sunset Ⅳ.【文章大意】 本文是一篇说明文。文章主要介绍了月球上的水来自哪里。 1.B 推理判断题。根据第一段中的“But where did water on the moon come from Answering that question can not only help us understand the moon’s history and evolution, but also allow future engineers to potentially tap into this resource when they are building a sustainable moon base.”可知,第一段提出了一个问题,然后讲述了中国科学家在这个问题上的新发现,所以第一段的目的是引入话题。故选B项。 2.A 细节理解题。根据第二段“Chinese scientists have discovered that minerals in lunar soil might have got that substance critical for life from solar wind bombarding the moon’s surface with hydrogen ions (氢离子), according to a study published in the journal Nature Communications on Saturday.”和第五段中的“The latest study essentially confirmed the estimates from the previous research, and those lunar minerals could contain even more water…on the moon’s surface.”可知,在最新的研究中,中国科学家认为月球上的水可能来自太阳风。故选A项。 3.C 推理判断题。根据第五段中的“Moreover, the new study identified solar wind as a key mechanism for the existence of water on the moon’s surface.”和第六段中的“The study found that the solar wind resulted in at least 170 ppm of water content in lunar samples gathered by the Chang’e-5 mission.”可知,太阳风对月球表面水的形成有很重要的作用。故选C项。 4.D 推理判断题。首段中的“But where did water on the moon come from Answering that question can not only help us understand the moon’s history and evolution, but also allow future engineers to potentially tap into this resource when they are building a sustainable moon base.”引出本文讲述的话题,以及从每一段中的首句话,比如第四段“The study in June found that lunar soil had around 30 parts per million of water content in the form of hydroxyl (羟基), a close chemical relative of water.”以及第五段中的“The latest study essentially confirmed the estimates from the previous research, and those lunar minerals could contain even more water.”等均可看出,本文作者主要介绍了关于月球的最近的新发现。故选D项。 Ⅴ.【文章大意】 本文是一篇说明文。文章主要介绍了科学家们是如何探索宇宙的,还介绍了科学技术手段的发展情况。 1.B 上文“…your science teachers have taught you that there are stars, planets, and entire galaxies out there.”指出,科学老师已经教过我们有关宇宙的知识,设空处承上启下,下文“How do scientists study the far reaches of the universe ”提出科学家们如何研究遥远的宇宙的问题,故此处是指出我们是如何得知有关宇宙的知识的。B项(但是我们是怎么知道的呢 )承上启下,符合文意。故选B项。 2.G 上文“Over the course of history, man has developed amazing technology to help us see beyond our own planet into the vastness of our gala ... ...
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