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【多选题】
如统一提出更换游览项目，导游人员应A.
请示接待社计调部门
B.
直接与组团社联系
C.
断然拒绝
D.
请接待社计调部门与组团社联系，同意后方可更换
E.
婉言拒绝
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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】在区域A2:B2中的值依次为1、2,在单元格C1中输入公式=A$1+$B1,将单元格C1复制到D2,则D2显示的值是多少?( )
A.
30
B.
3
C.
2
D.
1
【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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