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【多选题】
爆炸伤中由气体冲击造成的损伤哪些常见
A.
膈膜破裂
B.
气胸
C.
胃肠道的损伤
D.
骨折
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举一反三
【多选题】There are three main payment methods in international trade.
A.
collection
B.
remittance
C.
L/C
D.
T/T
【多选题】定轴转动刚体的转轴()
A.
   在刚体内
B.
在刚体内或其扩展部分
C.
  仅有两个点保持不动
D.
  所有点均保持不动
【单选题】Which of the following best expresses the main idea of the passage?
A.
The current banking law must be interpreted by the Supreme Court to be useful to today's banks.
B.
Although there are currently many bank faith the nature of banking has not really changed that much.
C.
Money-center banks currently have too much power as compared with the regional banks.
D.
Because current laws are not responsive to contemporary banking needs, banks have been forced to take needless and dangerous risks.
【单选题】下列说法中哪个或哪些是正确的()(1)作用在定轴转动刚体上的力越大,刚体转动的角加速度应越大 (2)作用在定轴转动刚体上的合力矩越大,刚体转动的角速度越大 (3)作用在定轴转动刚体上的合力矩为零,刚体转动的角速度为零 (4)作用在定轴转动刚体上的合力矩越大,刚体转动的角加速度越大 (5)作用在定轴转动刚体上的合力矩为零,刚体转动的角加速度为零
A.
( 1 )和( 2 )是正确的
B.
( 2 )和( 3 )是正确的
C.
( 3 )和( 4 )是正确的
D.
( 4 )和( 5 )是正确的
【多选题】定轴转动刚体的转轴()
A.
在刚体内
B.
在刚体内或其扩展部分
C.
仅有两个点保持不动
D.
所有点均保持不动
【单选题】There are three wastewater pollution sources in a certain area. The quantity and concentration of wastewater are shown in the table. The standards of COD, BOD and SS are 10 mg/L, 5 mg/L and 50 mg/L, r...
A.
BOD
B.
COD
C.
BOD+COD
D.
BOD+COD+SS
【单选题】下列说法中哪个或哪些是正确的 ( ) ( 1 )作用在定轴转动刚体上的力越大,刚体转动的角加速度应越大 ( 2 )作用在定轴转动刚体上的合力矩越大,刚体转动的角速度越大 ( 3 )作用在定轴转动刚体上的合力矩为零,刚体转动的角速度为零 ( 4 )作用在定轴转动刚体上合力矩越大,刚体转动的角加速度越大 ( 5 ) 作用在定轴转动刚体上的合力矩为零,刚体转动的角加速度为零
A.
( 1 )和( 2 )是正确的
B.
( 2 )和( 3 )是正确的
C.
( 3 )和( 4 )是正确的
D.
( 4 )和( 5 )是正确的
【简答题】There are six e_____________ exits on this aircraft, which are l__________ in the front, the rear and the middle of the main cabin. The s_______ instruction card is in your seat pocket. Please read it...
【简答题】春秋战国时期的陶器以( )、暗纹陶、( )为代表。
【判断题】定轴转动刚体的转轴一定与刚体相交。
A.
正确
B.
错误
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