判断题

在盾构机焊接作业，如果搭铁线长度不够可利用盾构机的金属结构作为导体代替搭铁线完成焊接作业。

答案：错误

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答案：错误

单项选择题

When educators wish to share some information with their colleagues, they often ________ . A.
publish it in a professional journal B.
attend professional meetings C.
get access to it in the library D.
make use of some library services