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mans to Mars. B. There are many reasons for going to Mars. C. Scientists bee famous by doing research on Mars. D. It is possible to build an Earth like environment on Mars. 答案: B 解析: 歸納概括題。因為本段主要陳述了人們要去火星的各種理由。見文章第三段,尤其第三句:人們最終會認識到雙程往返是不必要、不安全,也不經(jīng)濟的。見文章第四段,尤其第三句:火星上有供登陸者制造和生產(chǎn)他們所需要的一切物品的各種材料。全國卷 Ⅰ ) I suddenly heard an elephant crying as though frightened. Looking down, I immediately recognized that something was wrong, and ran down to the edge of the near bank. There I saw Ma Shwe with her three month old calf struggling in the fast rising water, and it was a life and death struggle. Her calf was floating and screaming with fear. Ma Shwe was as near to the far bank as she could get, holding her whole body against the rushing water, and keeping the calf pressed against her huge body. Every now and then the rushing water would sweep the calf away. There was a sudden rise in the water and the calf was washed clean over the mother39。s love. Ma Shwe had crossed the river and got up the bank and was making her way back as fast as she could, roaring(吼叫 )all the time, but to her calf it was music. 主旨大意: 一頭大象通過自己的努力,在暴漲的河水中救了自己的幼崽。 5. The moment the author got down to the river bank he saw________. A. the calf was about to fall into the river B. Ma Shwe was placing the calf on the rock C. the calf was washed away by the rising water D. Ma Shwe was holding the calf against the rushing water 答案: D 解析: 細節(jié)判斷題。 6. How did Ma Shwe manage to save her calf from the fast flowing water? A. By putting it on a safe spot. B. By pressing it against her body. C. By taking it away with her. D. By carrying it on her back. 答案: A 解析: 細節(jié)判斷題。 7. How did the calf feel about the mother elephant39。從最后一段的最后一句,可知 but to her calf it was 一種安慰方式。s Love B. A Brave Act C. A Deadly River D. A Matter of Life and Death 答案: A 解析: 主旨概括題。