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[基础知识·夯实] Ⅰ.单词拼写 根据汉语注释及首字母提示写出下列单词的正确形式。 1. With the changes in the world's c______， dinosaurs died, but many smaller animals lived on. 2. I often read of incidents of misunderstanding or conflict. I'm left p______. 3. He often says that he doesn't believe in any ________(宗教) and only believe in himself. 4. In old times people had a________ (理论) that the world was flat. 5. A familyfriendly________ (气氛) in this hotel makes travelers comfortable. 答案：1. climate 2. puzzled 3. religion 4. theory 5. atmosphere Ⅱ. 选词填空 break out；give birth to；prevent...from；cheer up；watch out 1. We should________ the situation in that country ________becoming worse. 2. The other day my pet cat________ a new little cat. 3. A conflict________ between the two countries. 4. His friends________as soon as they knew he had recovered from illness. 5. ________for walkers and other bicyclists, and always use your lights in dark conditions. | 
