Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.8.The blind old woman 9)____to the little girl's hand tightly when they crossed the street.
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Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.9.I was not keen on the stage play at all, so I just 10)_____and started to exchange text messages with my friends.
Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once.10.They wanted to make the popular science fiction into a film, but another studio 11)_____.
工业1.0 属于()时代,特征:蒸汽动力机械设备应用于生产;
工业2.0属于() 时代,特征:电机发明和电能使用,以及大规模流水线生产。