炎德英才大联考师大附中2022语文五答案

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8.A【解析】神经纤维膜外钠离子浓度高于膜内钠离子浓度,膜内钾离子浓度高于膜外钾离子浓度,静息电位主要是钾离子外流造成的,动作电位是钠离子内流造成的,哇巴因可使神经细胞内钾离子浓度降低,钠离子浓度升高,所以使用该药物后直接影响膜电位的变化。故选A。

【语篇导读】文章讲述机器人写地震突发新闻文章的有关事宜。2.D【解析】推理判断题。根据第一段中 When anearthquake hit the Los Angeles area on Monday morningat 6: 25 a. me Los angeles Times had thepublished in about three minutes. It was the first mediato report on the breaking news.可知,在报道地震时《洛杉矶时报》的效率很高。故选D。3.B【解析】细节理解题。根据第三段 found therobot-written story already finished in the system. af AllQuakebot自己写新闻报道。故选BC【解析】词义猜测题。根据第四段 It doesn'teliminate anybodys job as much as it makes everybodysjob more interesting,它不会消除任何人的工作,相反它让每个人的工作更有趣,由此推知画线词的意思是“移15.D【解析】标题归纳题。根据第一段 the laAngeles Times had their story published in about threenutes. It was the first media to report on the breakingwencke, a jourmalist and programmer for the LA Timesaid that an algorithm(ri*)he created called Quake-bot was behind the story.可知,本文讲述的是机器人写地震突发新闻文章。故选D。