衡水金卷先享题 2022-2023学年度高三一轮复习摸底测试卷 摸底卷(重庆专版) 历史(二)2试题答案

衡水金卷先享题 2022-2023学年度高三一轮复习摸底测试卷 摸底卷(重庆专版) 历史(二)2试题答案，目前我们已经整理了衡水金卷先享题 2022-2023学年度高三一轮复习摸底测试卷 摸底卷(重庆专版) 历史(二)2试题答案的各科答案和试卷，更多试卷答案请关注本答案网。

2.请按如下格式在相应位置作答。Mrs.Sharpnack handed out test papers.When I started working,I was nervous.Looking at the test paper,Ifound the questions were hard and wanted to give up.But then,I remembered how hard we had worked togetherand how many times Mrs.Sharpnack had said I could make progress.So I kept calm and focused all my attentionon the questions,trying to refresh my memory about the examples Mrs.Sharpnack had used.Two hours later,Ifinished the test and handed the paper back to her.The next morning,Mrs.Sharpnack came in with graded papers.She stood in front of the class and readnames on the honor roll.She looked at me with encouragement while reading my name.She smiled with greatsatisfaction as she looked at me.With surprise on one hand and happiness on the other,tears welled up in myeyes.Things were different after that.I showed an interest in algebra and gradually became quite good at it.I wasso thankful to her,who improved not only my study but also my confidence.

5.下列关于培养基的叙述，正确的是A.培养基是为微生物的生长繁殖提供营养的基质B.培养基都含有水、碳源、氯源、无机盐和生长因子等C.牛肉膏蛋白胨培养基含有糖、维生素和有机氮等营养物质D,微生物在固体培养基上生长时，可以形成肉眼可见的单个细菌【答案】A【解析】培养基是为微生物的生长繁殖提供碳源、氨源、水和无机盐等营养的基质；微生物培养基的主要营养物质有碳源、氮源、水和无机盐等，有的还需要生长因子等特殊的营养；牛肉膏、蛋白胨来源于动物，含有维生素和有机氨等营养物质；微生物在固体培养基上生长时，可以形成肉眼可见的菌落。