2021-2022年英语周报七年级新目标第38期答案

Paragraph 1And not very long after that, he made a surprisingdecision. He decided to use all his rights to prepare forhis life at the remote island. In the first year he senttroops, veterinarians and animal trainers to kill the wildanimals or train them for good use. The task was sohuge but it was worthwhile. Then the king sent a lot offarmers to start a wide rice field and began to grow riceNext he had many facilities, from hospital to school, builtAfter that he sent a lot of educated people there. At lasthe sent all his families to the islandParagraph 2Finally the time came when the king had to be thrownaway to the island. With many strong soldiers catchinghim, he smiled. He had prepared everything for the finalday.When he was sent to the island the island had taken ona new look Everybody there lived a comfortable life andthe king was welcomed warmly by his people. Theycheered, " Long live the wise king. The wise king livedhappily ever after. The clever people live now in theworld to prepare for their life in the future.

4.B【解析】用黑光灯进行灯光诱捕的方法调查昆虫的种群密度,该方法运用了昆虫的趋光性原理,A项错误;该方法是调查活动能力强的农业害虫种群密度的常用方法,B项正确;将大田中用黑灯光诱捕法获取的种群密度与历史记录作对照,只能得出反应密度大小的估算值,不能得出准确数据,C项错误;预测种群数量的变化趋势,是依据种群的年龄组成,而不是种群密度,D项错误。

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