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【单选题】
In the circuit, given that , the real direction of voltage and current is:A.
point a has the higher potential, current flowing from a to b
B.
point a has the higher potential, current flowing from b to a
C.
point b has the higher potential, current flowing from a to b
D.
point b has the higher potential, current flowing from b to a
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【单选题】有关酸碱反应,下列叙述正确的是
A.
一种酸和一种碱发生反应，生成另一种更弱的酸和另一种更弱的碱
B.
一种酸和一种碱发生反应，生成另一种更强的酸和另一种更强的碱
C.
一种酸和一种碱发生反应，生成另一种更弱的酸和另一种更强的碱
D.
酸碱反应后的产物没有酸碱性
【单选题】For self elevating and column stabilized units， is 100% lifeboat capacity acceptable for the MODU Code？（）
A.
No， the MODU Code requires that there should be 100% capacity available when all lifeboats in one location are lost or rendered unusable， or all the lifeboats on any one side， or any one corner of the unit are lost or rendered unusable. Generally， this requirement is met by applying 2 x 100% lifeboat capacities
B.
Yes， the lifeboats should be able of carrying the number of personnel onboard the unit.， i.e. 1 x 100%
C.
Yes， provided you have additional liferaft capacity
D.
You don’t need lifeboats as long as you have 2 x 100% liferaft capacity
【单选题】Fire axes required on MV MODU’s must be stored in the enclosure for fire hoses with the location marked ______.
A.
Fire Axe Location
B.
Hose Station No. …
C.
Fire Station No. …
D.
Firefighting Equipment
【简答题】The new asyncio module is specific to Python ( ).
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