第二节书面表达Dear LiOn behalf of the Students'Union of our school, I'm writing to express ourheartfelt thanks for your wonderful speech on AIWe Chinese have a saying that listening to your words for an hour is morebeneficial than reading for ten years. We have learned a lot from your speechindeed. Having heard your speech, we not only gain a better understanding ofwhat AI is, but we're also aware of what effects it might have on us humanbeings. We do hope you'll come to our school to deliver more brilliant speechesin the near futureThanks again!Yours sincerelyLi Hu
17.(1)①我国PMI指数变化总体相对平稳,制造业发展态势良好。(2分)②受疫情反弹和传统节日等因素影响,2021年2月我国PMI指数波动加大。(2分)③2021年3月以来,我国PMI指数持续下降,制造业扩张力度有所减弱。(2分)(2)①制定正确的经营战略,抓住市场机遇,关注用户需求。②提高自主创新能力,促进产业结构和产品结构优化升级。③提高生产效率和产品质量,打造企业的竞争优势。④坚持引进来和走出去相结合,打造国际品牌,提高制造业的国际竞争力。(每条2分)
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