英语周报2022-2022九年级新目标答案

4.B【解析】据图分析，群落中物种丰富度指数会随季节的变化而改变；生物多样性包括基因多样性、物种多样性和生态系统多样性，故物种丰富度指数不能代表不同断面的生物多样性；可采用标志重捕法调查不同断面刀鲚、鲫和大鳍鱊的种群密度；夏秋两季黄浦江上游(S1~S5)物种丰富度指数总体高于淀山湖(S6~S10),说明黄浦江上游鱼类物种相对丰富，群落结构较淀山湖稳定

书面表达One posssible versionDear Mr. Smith,I'm Li Hua, a senior 3 student. Learning that your City Culture department is looking for an English editorthis summer, I'm eager to apply for the position.As far as I'm concerned, city culture refers to a citys history, geography, customs, future, and so on. Asa native, I am quite familiar with our citys traditional culture. Besides, I have a good command of ErI' m especially good at English writing. Additionally, Im cooperative and creative, which will give me anadvantage for the position.I'll be greatly honored if I' m chosen for the job. If I'm admitted, please email me at lihua @16com.Yours sincerely,Li Hu

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