分析 文章介紹了宇航員們在太空當中也會面臨著許多危險,其中主要是輻射和太空垃圾的威脅;輻射對宇航員們的傷害可能會在他們的第二代甚至第三代身上表現出來;太空垃圾中有一些是人造垃圾.太空垃圾對人們探測宇宙有很大的.
解答 66-70 CACAB
66題答案:C 推理判斷題.根據第三段About 30% of these are man-made satellites(衛星),10% are spaceships,and the rest are space junk.可知人造的東西在太空中成為垃圾的比例為1-30%-10%=60%,故答案是C.
67題答案:A 考查細節理解題,根據文中的第一段While working in space,spacemen are facing danger as well as success可知 太空垃圾對那些宇航員來說很危險,故答案是A.
68題答案:C 考查詞匯題,根據文中的前面句子And even a small piece of these knocked against a spaceship window 甚至有一小部分撞擊宇宙飛船的窗戶.可知后面是一些損壞,故答案是C.
69題答案:A 考查細節理解題,根據文中的第四段In the near future,it may become usual for people to spend a few days in a space hotel可知未來我們有可能在太空小住一段時間,故答案是A.
70題答案:B 考查主旨題,根據文中的第二段Scientists have found out that the radiation (輻射) is the greatest danger to spacemen in space科學家們已經發現輻射是空間最大的危險,及第三段Space junk is also thought to be a great danger to spacemen太空垃圾對于宇航員來說也是一個很大的危險,可知本文主要描述的是太空危險,故答案是B.
點評 本文是一篇日常生活類閱讀,題目涉及多道細節理解題,做題時結合原文和題目有針對 性找出相關語句進行仔細分析,結合選項選出正確答案.推理判斷也是要在抓住關鍵句子的基礎上合理的分析才能得出正確的答案.
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