问题
多项选择题
影响施工工程项目的因素主要包括五大方面，即建筑工程的4M1E，主要指（）、方法和环境。
A、机械
B、方案
C、人
D、材料
答案
参考答案：A, C, D
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影响施工工程项目的因素主要包括五大方面，即建筑工程的4M1E，主要指（）、方法和环境。
A、机械
B、方案
C、人
D、材料
参考答案：A, C, D
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| People and animals live in the same world. We should keep the balance 1 people and animals. If the balance destroyed, there 2 bad results to both people and animals.Wild animals are 3 of people. We 4 protect them, or there will be no wild animals in the future. There is a black and white animal 5 in China.It is always known as the national treasure (国宝)of China. Everyone knows it is 6 Giant panda. Now there are 7 pandas than before. 8 of them live in Sichuan and Gansu Provinces. There are also some other rare animals in China. However, the number 9 smaller and smaller than before. So people should help these animals. They are 10 disappearing from the world. | |||
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