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【单选题】
人体内含量最多的组成成分，人体若丢失水份()以上，生命活动将无法维持
A.
20%
B.
30%
C.
10%
D.
40%
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【单选题】若 int a[3][2]={{123,345,334},{1,2},{3,4}}; 则 a[2][1]= ( )。
A.
1
B.
3
C.
2
D.
4
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【单选题】What happened after Lincoln's assassination?
A.
The Civil War ended
B.
The Thirteenth Amendment became law
C.
Andrew Johnson was killed
D.
More states secreded from the Union
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【单选题】对 一 般硬度的钢材进行高速切削应选择 ( ) 。
A.
高速钢刀具
B.
涂层硬质合金刀具
C.
工具钢刀具
D.
陶瓷刀具
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【单选题】对一般硬度的钢材进行高速切削应选择（）
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高速钢刀具
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立方氮化硼（CBN）刀具
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涂层硬质合金刀具
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陶瓷刀具
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【单选题】What happened after Oliver Cromwell’s death?
A.
Protectorate Parliament was dissolved.
B.
Rump Parliament was recalled.
C.
Restoration of the monarchy.
D.
Start of the Third English Civil War.
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【单选题】若int a[3][2] = {{123,345},{23,56},{34,56}},则a[2][1] = ( )。
A.
23
B.
34
C.
56
D.
123
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【单选题】What happened after the Wright brothers’success?
A.
People carried out a systematic study on pigeons．
B.
People studied more animals and plants to develop the airplane．
C.
People could fly their airplane for fun．
D.
People kept their airplane at a French gallery．
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【单选题】What happened after the WrightBrothers’success?
A.
People Carried out a systematic study on pigeons．
B.
People Could fly their airplane for fun．
C.
People kept their airplane at a French gallery．
D.
People studied more animals and plants todevelop the airplane．
查看完整题目与答案
【单选题】对一般硬度的钢材进行高速切削应选择( )。
A.
高速钢刀具
B.
立方氮化硼刀具
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涂层硬质合金刀具
D.
陶瓷刀具
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【简答题】What happened after the message of seeing a Vermivora chrysoptera was put on the network?
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【单选题】若 int a[3][2]={{123,345,334},{1,2},{3,4}}; 则 a[2][1]= ( )。
A.
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B.
3
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【单选题】What happened after Lincoln's assassination?
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The Civil War ended
B.
The Thirteenth Amendment became law
C.
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【单选题】What happened after Oliver Cromwell’s death?
A.
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B.
Rump Parliament was recalled.
C.
Restoration of the monarchy.
D.
Start of the Third English Civil War.
查看完整题目与答案
【单选题】若int a[3][2] = {{123,345},{23,56},{34,56}},则a[2][1] = ( )。
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【单选题】What happened after the Wright brothers’success?
A.
People carried out a systematic study on pigeons．
B.
People studied more animals and plants to develop the airplane．
C.
People could fly their airplane for fun．
D.
People kept their airplane at a French gallery．
查看完整题目与答案
【单选题】What happened after the WrightBrothers’success?
A.
People Carried out a systematic study on pigeons．
B.
People Could fly their airplane for fun．
C.
People kept their airplane at a French gallery．
D.
People studied more animals and plants todevelop the airplane．
查看完整题目与答案
【单选题】对一般硬度的钢材进行高速切削应选择( )。
A.
高速钢刀具
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立方氮化硼刀具
C.
涂层硬质合金刀具
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陶瓷刀具
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【简答题】What happened after the message of seeing a Vermivora chrysoptera was put on the network?
查看完整题目与答案