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【单选题】
What does the professor mainly discuss in the lecture?A.
How fossils are discovered and examined.
B.
The importance and preservation of fossils.
C.
How fossils are studied and investigated.
D.
How fossils are used to locate oil and other resources.
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反馈参考答案：
举一反三
【单选题】考虑地震时建筑场地的类别是地，其划分原则为______。
A.
根据场地土类别划分
B.
根据土层的剪切波速划分
C.
根据场地覆盖层厚度划分
D.
根据土层等效剪切波速和场地覆盖层厚度划分
【简答题】Kannst du morgen zu _______ (sie 她) kommen?
【简答题】场地类别根据1/2划分为3类,主要是为地震作用计算提供场地4。
【简答题】场地类别根据（）和（）划分为IV类。
【单选题】Exactly ____they did when at last they reached the sea remains a complete mystery.
A.
that
B.
how
C.
which
D.
what
【简答题】场地类别是根据______和______划分的。
【单选题】The happy children _________ the coast, where they would see the sea for the first time in their lives.
A.
made their way to
B.
made their ways on
C.
made their ways to
D.
made their way on
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