英语周报2018-2022高一第5期答案

Li Hua第三节One possible versionParagraph 1Run!" Eddie yelled. Cathie was running as fast asshe could down the road. Eddie soon caught up with her.Then he suddenly remembered Marie. They stopped andturned. Marie was nearly paralyzed with fear as she stum-bled down the road towards them, waving her arms wildlyhough frightened, Cathie and Eddie had to go backLuckily, the noises were fading away as Cathie and Eddieack. Each one grabbed an arm and practically draggedMarie down the road. When there was no sign of pursuitthey slowed down, each convinced that they had met BigfoParagraph 2When they reached their driveway they sme Mr. Kingtcho came to delier corn was talking to Dad. The kids triedto slip into the house unnoticed, but Dad motioned for themto come over and asked whether they were walking up bythe dam. They looked at each other and allheads. "My prize pig broke out of the barn two days agoand I stillfind it, Mr. King said in a worriedvoice. Hearing that, Dad laughed."Maybe you should gosee Fred MeAfree. Something tells me he saw your pigThen he glanced towards the kids as though he knew whathad happene

35.B【解析】引入的天敌捕食不同年龄段的个体可能具有选择性,从而影响该种群的年龄组成,A项正确;从题中柱形图的分析可知,未成熟个体从2月底到6月逐渐增多,从6月到12月逐渐减少至0,而该动物个体从出生到性成熟需要6个月,因此该种群出生时间大概为2月底到6月,到12月都成熟,0月份出生率可能为0,B项错误;由题图可知,该种群的年龄组成随着季节更替而变化,C项正确;大量诱杀某种动物的雄性个体,会导致性别比例失调,进而通过降低出生率,使种群密度减小,D项正确。

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