人教版高中英语必修三《Space Exploration》SectionⅣ PPT课件下载，共43页。
《Space Exploration》SectionⅣ PPT课件包含课文助读、要点直击、阅读技能等内容。
Words And Phrases
知识要点1 lack n．缺乏；短缺 vt.没有；缺乏
(教材P42)Astronauts' bones and muscles can get very weak in space due to the lack of gravity，so they need to exercise every day，which will help them stay healthy.
在太空中由于缺乏引力，宇航员的骨骼和肌肉可能会变得很弱，因此他们需要每天进行锻炼，这有助于他们保持健康。
知识要点2 argue vi.&vt.论证；争辩；争论
(教材P44)Some people argue that we should stop wasting time and money exploring space.
有些人主张我们应该停止浪费时间和钱财来探索太空。
[例1] She has argued that wild animals should be left in the wild and not used for entertainment or advertisements.
她主张应该让野生动物留在野外生活，而不能用于娱乐或广告。
知识要点3 result in导致；造成
(教材P44)It has directly resulted in the many satellites that now orbit Earth.
它已经直接制造了很多现在绕地球运行的卫星。
[例1] They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.
他们还赞同正是由于越来越多燃烧化石燃料导致了二氧化碳的增加。
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关键词：Space Exploration PPT课件免费下载，.PPT格式；
