第6题: [单项选择]牙膏中含量最多的成分是 A. 摩擦剂 B. 洁净剂 C. 湿润剂 D. 胶黏剂 E. 芳香剂 参考答案:A
第7题: [单项选择]Jimmy earns his living by _______works of art in the museum. A. recovering B. restoring C. renewing D. reviving 参考答案:B 答案解析:[解析]考点:词汇辨析。recover表示“恢复”、“使失而复得”、“收回”、“(使)恢复”等。restore表示“修复”、“使复原”、“治愈(疾病)”、“重新获得(权利、尊严等)”、“使复位”、“恢
How long has he had the business A. (A) Four years. B. (B) Thirteen years. C. (C) Fourteen years. D. (D) Thirty years. 参考答案:B 答案解析:The man has been farming for 13 years. Choices (A) and (C) confuse four and fourteen with for. Choic