2022英语周报模拟十第44期答案

【答案与解析】本文是一篇说明文。主要介绍随意的好处36.D根据该空后一句“ But for others, there was wider variation in whether a greeting was offered or returned.”可知,D选项“对于亲密的朋友来说,这种问候是很自然的,而且总是得到愉快的回应”贴切37.G根据该空前一句“ His research shows simple gestures of casual greeting and other connections can have a huge effect on ourhappiness."可知,G选项“即使是向邻居借一杯糖,也能形成一种关爱的社区的感觉”贴切。38.F根据该空后一句“ You might not know about the information if you only turned to your most trusted inner circle for every socialInteraction(互动).”可知,F选项“重要的是,这种联系也让我们接触到各种信息和建议”贴切39.E根据该空前一句中“ The people we know tend to know the same things we do and so it doesn' t expand our information,”可知,E选项“要点是,我们需要向那些我们还不太了解的人学习更多”贴切10.A根据该空后一句“ It could make your life a little better in a surprising and new way."可知,∧选项“至少,别忘了说‘嗨’贴切。

25.(11分)(1)15(2)丙、丁7:8 msr MsmsRi(3)黄色茶褐对母本不用去雄处理,方便杂交(4)1:1可能雌配子 MsmsRr与雄配子msr受精时能力较低,可能受精后生长发育受影响(2分,。两种可能性各1分,其他合理答案给分)

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