【单选题】在下列的四个词语中,请找出用字有错误的一项()。
【单选题】At least 14 youths have been killed in the capital Baghdad in the past 3 weeks in ______ appears to be a campaign by Shia militants. [ ]
【判断题】电扶梯故障时放置护栏,上行自动扶梯应先放置上机舱围栏,再放置下机舱围栏。
【单选题】The main topic of the passage is ______.
A.
industries in the past and at present
B.
changes in the development of industries
C.
the protection of industrial workers and customers
D.
the freedom of industries
【单选题】在下列的四个词语中,请找出用字有错误的一项()。
【多选题】戴明环包括______、______、______、______四个步骤。
【单选题】在下列的四个词语中,请找出用字有错误的一项()。