2022英语周报第33期八下答案

24.(14分,除标注外,每空1分)(1)差速离心法(2)是遗传信息库,是细胞代谢和遗传的控制中心(2分)(3)磷脂双分子层线粒体基质和线粒体内膜(2分)无活型和激活型RagC(2分)(4)具有0(5)A、B、C(2分)(6)抑制(2分)【解析】核膜的主要成分是蛋白质和磷脂;线粒体中可合成ATP的部位是线粒体基质和内膜;据图分析,二甲双胍抑制线粒体的功能,进而直接影响了无活型和激活型RagC的跨核孔运输,最终达到抑制细胞生长的效果。物质进出核孔是具有选择性的,RagC进出细胞核需经过0层生物膜。由于“二甲双胍抑制线粒体的功能”,所以细胞分裂、RNA转录、分泌蛋白运输这些消耗能量的生理过程都受到影响。故选ABC图中物质ACAD10对细胞生长的作用效果为抑制作用

第三节One possible version:Paragraph 1One night afier the museum closes, Maria appears atthe gate of the museum. She enters the building quietlyusing the security code that Max shared with her. Whendealing with a beautiful woman, men can be so stupid,she laughs to herself. She sneaks into the jewelry exhibitand destroys the alarms. Then she walks up to the glasscase protecting the Black Diamond and unlocks it with thekey she stole from Max. She laughs, "The Black Diamondis mineParagraph 2As she holds the diamond in her hands, the lights inhe museum go on. Then an alarm sounds and a team ofThey have caught her! As a police officerhandcuffs Maria, the lead police investigator comes into theroom. Her surprise is so strong that she is unable to speakIt is Max. She yells, How could I have been fooled byyou, a simple police detective? "Max puts his badge backin his pocket and says, "You can think about that in pris-on, and by the way, I speak perfect Italian

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