试题与答案

小煤窑一般都是人工开采、沿煤层挖成网格状的煤巷，下列哪些现象是小煤窑产生地面塌陷的主

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题型：多项选择题

题目：

小煤窑一般都是人工开采、沿煤层挖成网格状的煤巷，下列哪些现象是小煤窑产生地面塌陷的主要特征( )

A．地表产生小规模的移动盆地

B．采空区顶板厚度薄的常产生突然塌陷

C．采空区顶板厚度厚的常产生地面开裂

D．采空区顶板全为岩层、埋深超过60m的，地表很少变形

答案：

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题型：阅读理解
任务型阅读。
     请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。
注意：每空格1个单词。
     Teamwork is just as important in science as it is on the playing field or in the gym. Scientific investigations (调查) are almost always carried out by teams of people working together. Ideas are shared, experiments are
designed, data are analyzed, and results are evaluated and shared with other investigators. Group work is
necessary, and is usually more productive than working alone.
      Several times throughout the year you may be asked to work with one or more of your classmates.
Whatever the task your group is assigned, a few rules need to be followed to ensure a productive and
successful experience.
     What comes first is to keep an open mind, because everyone's ideas deserve consideration and each group
member can make his or her own contribution. Secondly, it makes a job easier to divide the group task among
all group members. Choose a role on the team that is best suited to your particular strengths. Thirdly, always
work together, take turns, and encourage each other by listening, clarifying, and trusting one another. Mutual
support and trust often makes a great difference.
     Activities like investigations are most effective when done by small groups. Here are some more suggestions for effective team performance during these activities: Make sure each group member understands and agrees
to the task given to him or her, and everyone knows exactly when, why and what to do; take turns doing
various tasks during similar and repeated activities; be aware of where other group members are and what they
are doing so as to ensure safety; be responsible for your own learning, though it is by no means unwise to
compare your observations with those of other group members.
     After you've completed a task with your team, make an evaluation of the team's effectiveness-the strengths and weaknesses, opportunities and challenges.
TitleWorking together
ThemeEffective performance needs highly cooperated   1   .
ImportanceGroup work is necessary, and is often more productive than working   2  your own.
General rules needing    3   Keep an open mind to everyone's  4  . Divide the group task among group members.   5    and trust each other.
  6    Understand and agree to the  7    task of one's own. Do various tasks in  8  . Show concern for others to ensure safety. Take   9   for one's own learning. Compare your own observations with those of others.
Evaluating effectiveness Analyze the   10   and weaknesses. Find out the opportunities and challenges.
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