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【简答题】
读图1和图2，回答下列问题。（10分） 位于黄土高原深处、两省交界附近的黄河壶口瀑布，地处黄河中游河段，其流向与该河段的整体流向一致。 （1）图中照片的拍摄者此时正位于________省（简称）境内。 （2）从成因上看，壶口瀑布主要是___________（内力／外力）作用的产物；从表现形式上看，它是__________________作用的结果。 （3）依据图中信息可知，壶口瀑布的旅游开发条件中最不利的因素是_______________ ________________。 （4）说明图中旱灾分布区出现灾害的季节及形成的主要自然原因。 （5）指出减轻旱灾对该区域影响的主要措施。
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【单选题】依据《工程测量规范 》三等水准测量使用DS3水准仪测站的视线长度应不大于( )。
A.
100m
B.
80m
C.
75m
D.
50m
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【多选题】在双代号网络图中，虚箭线是实际工作中并不存在的一项虚设工作，故它们既不占用时间，也不消耗资源，它起着工作之间的( )作用。
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B.
联系
C.
间接
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【多选题】选词填空： netizens | instead of | commuting | nerve- and traffic-saving | the point of Hanna P., Marketing Expert at a famous software company, posted online his own ____1____ [填空1] experience and asked t...
A.
commuting
B.
netizens
C.
the point of
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nerve- and traffic-saving
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【简答题】The fact is ____they disagree with each other. 2.Doesnt Mr. Smith live on this street? ---No .This is ____Mr. Brown lives. 3.My hope is _____he will become a doctor in the future. 4.The question is __...
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【单选题】依据《工程测量规范 》三等水准测量使用DS3水准仪测站的视线长度应不大于( )。
A.
100m
B.
80m
C.
75m
D.
50m
E.
：C
F.
程度：易
G.
解析：
H.
：单选题
I.
、在三、四等水准测量中同一站黑红面高差之差的理论值为（ ）mm。
J.
0 K. 100 L. 4687或4787
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【单选题】听力原文：M: Is No. 2 meeting room available this afternoon? F: Let me see... Mm... No, the Production Department will have a discussion at 2:30. M: Then what about No. 5 meeting room? How big is it? F: It...
A.
B.
C.
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【单选题】深度电流串联负反馈放大器相当于一个
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压控电压源
B.
压控电流源
C.
流控电压源
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流控电流源
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【简答题】Do a quiz and find out what kind of friend you are. (问卷调查) There are 6 questions as follows. According to your answer, choose YES or NO. And then do the next question. Then judge which category you be...
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【单选题】依据《工程测量规范 》三等水准测量使用DS3水准仪测站的视线长度应不大于( )。
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【单选题】依据《工程测量规范 》三等水准测量使用DS3水准仪测站的视线长度应不大于( )。
A.
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B.
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C.
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H.
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I.
、在三、四等水准测量中同一站黑红面高差之差的理论值为（ ）mm。
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查看完整题目与答案
【单选题】听力原文：M: Is No. 2 meeting room available this afternoon? F: Let me see... Mm... No, the Production Department will have a discussion at 2:30. M: Then what about No. 5 meeting room? How big is it? F: It...
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【单选题】深度电流串联负反馈放大器相当于一个
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查看完整题目与答案
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