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ted from human progress. As concerned citizens, it is up to us to learn from past mistakes and to help maintain and improve our environment. 64. Early tribes didn’ t have much effect on animal population because _______. A. they kept animals for themselves B. they ate only vegetables C. they killed only enough for food D. they loved animals 65. The main purpose for small clans to join together was _________. A. to hunt animals B. to seek safety C. to share caves D. to protect environment 66. Which of the following is TRUE according to this passage? A. Early people moved to new places looking for new sources of food. B. Modern civilization began when people started to live together in big groups. C. Modern advancements are always good for the environment. D. People began to exchange goods because they didn’ t have enough money. 67. It can be concluded from the passage that _________. A. human progress has brought civilization to the society B. civilization has improved traditional forms of work C. our environment has been affected by human progress D. early people understood environmental protection D An ichthyologist is a scientist who studies fish. Most people who do this job say they love their work because it is very rewarding and varied. They work not only inside a laboratory, but also out in the field. Fieldwork includes traveling to rivers, oceans and lakes in order to collect information and specimens (樣本) . Reading, writing and speaking are also very 3eud 教育網(wǎng) 百萬教學(xué)資源,完全免費,無須注冊,天天更新! 3eud 教育網(wǎng) 教學(xué)資源集散地。 A The incident took place on Sunday, the 25th of June. On that particular day, a south wind had been gusting(勁吹) on and off all morning. It was not strong enough to cause us any concern , so we carried on with our daily work, not suspecting what was about to happen. The storm gave us very little warning. Black clouds loomed over the distant horizon(地平線) so suddenly that we were taken by surprise .Even then, we were not really worried, as the clouds seemed to be moving over our house and towards the distant mountains. Then, just as the clouds had moved inland, the wind suddenly swung around in a full circle and we were facing a major storm. Instantly, we were busily preparing for the worst .The whole family had experienced such a storm before and everyone remembered the damage it had caused to stock and crops. There was very little we could do about the crops .But we needed to protect the animals in case the river flooded again. My older brother called his sheepdog and began driving our small flock of sheep to higher ground above the river .If the river flooded, they should be safe there . In the meantime, my father was mending a shed roof that had partly fallen down after many years of fine service. If the tin flew off, it could damage the house. My younger brother began hurriedly carrying firewood under the shelter .My job was to help Mum board up the windows. If the storm developed into a cyclone(旋風(fēng)) ,the boards would protect the glass. The storm raged for four hours, pouring more rain on us than we had seen in the last five years. As expected, the river broke its banks and came slowly up towards the house and the stock. Then, just as we were beginning to lose hope, the storm stopped as suddenly as it had begun .The animals were safe, and the roof was still nailed on. “All’s well that ends well,” said my mother. 56. When the