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4 billion years, give or take a few hundred million years. But that‟s not very precise. If we had rock samples to study, we‟d know whether the small craters were formed by impacts during the final

onial purposes but instead were discarded by construction workers upon pletion of the great houses. TPO 6： The lecturer addresses each of the three criticisms of munal online encyclopedias mentioned

searched the information on the Inter. Luckily, I found that someone had sent a model of this machine to the Inter. It is very valuable information to my work. At last, we finished our tasks at times

果仁 peel (skin)果皮 shell (硬 )果壳 husk (干 )果壳；（玉米）苞叶 trunk 树干 branch 树枝 bough 大或粗树枝 twig 小树枝 bark 树皮 jungle 丛林 blade (of grass) 一片草叶 tuft 一丛草 lawn 草坪 meadow 草地；牧场 prairie 大草原 shrub (bush)灌木 cluster

pecies. The term keystone kind of explains itself. In architecture a keystone in an archway or doorway is the stone that holds the whole thing together and keeps it from collapsing. Well, that39。 s

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to help do research, inter or academic books? Explain why. 32. Some believe that TV, newspaper and radio have more influence on individuals than their relatives and friends, while others believe not.

isdom by receiving strict training in schools, and would learn a lot of survival skills, such as munication skills and [eg3] Easy and convenient Complex and stressful Some people think puters let our

y at West Point, he was the most excellent soldier and kept a record of the best grade——for 25 years. After his graduation, he worked hard every day and became a major general in the Second World War

ith? Use specific reasons and details to support your answer. 127 Do you agree or disagree with the following statement? Reading fiction (such as novels and TWE Essays 6/292 6 short stories) is more