题目

13.下图分别表示两个自变量对光合速率的影响情况，除各图中所示因素外，其他因素均控制在最适范围。下列分析正确的是  A．乙图中d点与c点相比，相同时间内叶肉细胞中C5的生成较少 B．图中M、N、P点的限制因素分别是CO2浓度、温度、光照强度 C．丙图中，随着温度的继续升高，曲线走势将稳定不变 D．甲图中a点的限制因素可能是叶绿体中色素的含量完形填空。Larry works with Transport Drivers, Inc. One morning in 2009, Larry was along 165 north after delivering to one of his . Suddenly, he saw a car with its bright lights on.1.A. walking B. touring C. traveling D. rushing2.A. passengers B. colleagues C. employers D. customers