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Unit 3 Amazing people 时间：30分钟 Ⅰ.单项填空 1．People have always been curious ________ how living things on the earth exactly began. A．in B．at C．of D．about 答案 D [本题考查词语搭配。be curious about表示“对……好奇”，是固定搭配，因此D为正确答案。] 2．Ming and Qing Tombs have ________ relatively undamaged.They，________，have suffered some damage from centuries of exposure，war，fire and deliberate destruction. A．been remained；however B．survived；though C．existed；therefore D．left；thus 答案 B [第一空用survived，表示“经历……后残存下来”；第二空用though，表示转折。] 3．At minus 130 ℃，a living cell can be ________ for a thousand years. A．spared B．protected C．preserved D．developed 答案 C [spare抽出(时间)；省去，免去；protect保护；preserve保护；保存；develop发展；研制，开发。根据题意选C。句意为“在零下130，一个活细胞可以保存1 000年的时间”。] 4．You will be successful in the interview ________ you have confidence. | 
