2022英语周报高三第五答案

能进出细胞,只是水6.D【解析】地震导致山体滑坡后,原有植被虽不存在,但还可能存在植物的种子、可能发芽的地下茎或植物根系等,在这一基础上形成恢复群落的过程为次生演替;由于地震后的环境状况发生改变,恢复群落与原始群落的物种组成有可能不同;群落结构的形成是自然选择的结果,提高了生物利用环境资源的能力;当群落演替到一定阶段时,群落结构处于相对稳定状态,演蓉就会终止。间述中的物理性质知,绛矾为FeSo正确;合金

、书面表达One possible version:A NEWSPAPFR READING SPEECH CONTESTIn order to show students'achievements in readng newspapers and encourage more students to read, anewspaper speech contest was held in our school lastmonth. The contestants are newspaper reading activistsmmended by each class. During the contest, particpants talked about their experiences and benefits fromreading newspapers. The also promoted vanouspapers to the students, such as various English news-papers, as well as the famous newspapers in China.The activity greatly improved the enthusiasm ostudents in reading newspapers.

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