2022高一英语周报牛津ojs第六期答案

第三节One possaParagraph 1After Jach had been gone from the bank for a while, thearms began to ring. The police arrived at the bank vcrquickly, only to find no one there. The next day was areally special day for the town, which was filled with newspaper and TV reporters covering the strange theft. Theclerks at the bank were busy discussing the case, ofcourse, including Jack. The police could only promise tocatch the thieves as soon as possible, even though no clueshad been found vetParagraph 2But the most unlucky man was the manager of thebank. an old man. heblame and was removed from his position. At last, withJack’ s wife was savedack felt guilty about theHe could not forget what he had done to the old man. Hisguilt deepened as time went by. Finally, he turned himselfin to the police and accepted his punishment

22.C【解析】K值是环境容纳量,指环境条件所允许达到的种群数量最大值,①正确;在K值时种群增长速率为0,在K/2时种群的增长速率最大,②错误;如果不考虑其他因素,在K值时出生率和死亡率基本相等,③正确;在K.值时捕捞鱼类得到的日捕量最大,但一般渔业捕捞后需控制剩余量在K/2,此时种群增长速率最大,所以捕捞数维持在K/2,可持续获得最高产量,④错误。故选C。

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