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【单选题】
客船和多少总吨及以上的货船均应设独立的应急电源?A.
500
B.
800
C.
1000
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皮皮学刷刷变学霸
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A.
Na2S2O3滴定I2
B.
I2滴定Na2S2O3
C.
HCl滴定NaOH
D.
AgNO3滴定NaCl
E.
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A.
Her overcoat is as stylish as Jill's.
B.
Jill missed her class last week.
C.
Jill wore the overcoat last week.
D.
She is in the same class as the man.
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【简答题】阅读理解。 I am wearing a small red ribbon this morning to remind myself and others around me that today is World Day. The red ribbon, an international symbol of awareness, is gaining increasing ...
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