ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality
Hold a regular meting of the party secretary every fortnightly, arrange the work of the regiment, fedback the student information
Focus on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style
广西桂林市 2024-2024 学年高二生物下学期期中试题总分 90 分 考试时间 90 分钟温馨提示:请将答案填涂至答题卡上
一、选择题(1-36 题每题 1 分,共 36 分)1.下列化合物中组成元素种类最多的是( )A.葡萄糖 B.丙酮酸 C.脂肪 D.核苷酸2.下列哪一实例能证明微量元素是生命活动所必需的( )A.Mg 是叶绿素的组成成分B.油菜缺少 B 时只开花不结果C.哺乳动物血液中 Ca2+含量太低会抽搐D.缺 P 会影响 ATP 的合成3.下列哪一种结构或物质的组成成分中不含核糖 ( )A.叶绿体 B.核糖体 C.质粒 D.tRNA4.人体内含有多种