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【单选题】
查找变电所直流接地方法,哪种方法不允许用( )。A.
拉开支路法
B.
转移馈线法
C.
灯泡法
D.
仪表法
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反馈参考答案：
举一反三
【多选题】Which of the following statements is/are correct about the sentence below? After he had returned to his house, he was reading a book.
A.
去掉was
B.
去掉reading
C.
was reading改为过去式read
D.
had returned没有错
【单选题】He was reading his book, completely ______ to the world.
A.
lost
B.
losing
C.
to lose
D.
to having lost
【单选题】He was reading his book, completely_______ to the world.
A.
lost
B.
losing
C.
to lose
D.
to have lost
【简答题】什么是金属材料的力学性能,主要包括哪些方面?(各力学性能定义)
【单选题】He was reading excitedly the book published by his company in ______ with a famous press.
A.
collection
B.
connection
C.
collaboration
D.
common
【简答题】材料研究的核心任务是尽快获取目标材料,当下主要采用___法来实现。
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