题目

B. 根据短文内容和所给中文提示，在空白处写出单词的正确形式。每空限填一词。British Milkman Steve Leech saved some shops and flats with milk and 【1】（赢得）a national Bravery Award（国家勇敢奖）Leech , 35 years old, said that when he was sending out milk as 【2】（平常的）along Pine Street, he suddenly heard a loud,【3】（奇怪的）sound behind him and then he saw smoke coming out of a shop in Corn Wall, southern England, “That must be a fire, I 【4】（推）the door in and then I shouted for the people inside. Then I started pour8．如图表示某草原生态系统中的能量流动图解，①～④相关过程能量流动量，下列有关叙述正确的是（　　）A．①是流入该生态系统的总能量B．④属于兔同化的部分能量C．$\frac{②}{①}$×100%代表草→兔的能量传递效率D．分解者获得的能量一定小于①