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【单选题】

The primary barrier of a bulk carrier is formed by().

A、the single skin side shell and the inner bottom

B、deck strips,hatch covers and coamings

C、the vertically corrugated transverse watertight bulkheads

D、the single skin side shell between topside and hopper tanks,and the cross deck strips,hatch covers and coamings

更多“The primary barrier of a bulk carrier is formed by().”相关的问题
第1题

A、The primary line module is inactive for five minutes and then becomes active.  B、The primary line module is in standby mode,while the spare line module remains active.  C、The primary line module becomes active immediately and the spare line module becomes inactive.  D、The primary and spare line modules are active for five minutes,after which time the spare line module becomes inactive.  

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第2题

A、Connect the new DVD drive as the primary on the secondary bus and leave the old CD drive disconnected.  B、Move the secondary hard drive next to the primary hard drive and connect to the primary bus. Connect the new DVD drive as the slave on the secondary bus.  C、Move the secondary hard drive from the secondary to the primary bus and then reformat the hard drive after rebooting then reassign the drive letters in disk management prior to installing the new DVD drive on the secondary bus.  D、Move the secondary hard drive to the bay and then connect it to the primary bus. Connect themini-tower and the new DVD drive as the master on the secondary bus.  

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第3题

A、ALTER TABLE students ADD PRIMARY KEY student_id;  B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id);  C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);  D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);  

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第4题

A、capital  B、import duties  C、non-tarriffbarrier  D、import quotas  

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第5题

A、capital  B、import duties  C、non-tarriffbarrier  D、import quotas  

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第6题

A、ALTER TABLE students ADD PRIMARY KEY _ id;  B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);  C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;  D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  

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第7题

A、ALTER TABLE students ADD PRIMARY KEY _ id;  B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);  C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;  D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  

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第8题

A、ALTER TABLE students ADD PRIMARY KEY student_id;  B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);  C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;  D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  

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第9题

A、ALTER TABLE students ADD PRIMARY KEY student_id;  B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);  C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;  D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);  

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