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Please complete the summary of the text. Civil engineering has a long history, ___________ back to the ancient times when human beings lacked the __________ equipment for their construction.Civil engineering is not only about designing and construction, but also about __________ and __________ the infrastructure.
Please complete the summary of the text. Civil engineering has a long history, ___________ back to the ancient times when human beings lacked the __________ equipment for their construction.Civil engineering is not only about designing and construction, but also about __________ and __________ the infrastructure.
A.Civil
答案：
Civil engineering has a long history, tracing back to the an...
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常见消化系统疾病有哪些？简述消化系统疾病的营养治疗基本原则是什么。
答案：
常见消化系统疾病包括但不限于以下几种：1. 胃食管反流病（GERD）2. 慢性胃炎3. 胃溃疡和十二指肠溃疡4. 胃癌5...
