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【单选题】

Seawater may be used for drinking water ().

A、at a maximum rate of two ounces per day

B、after mixing with an equal quantity of fresh water

C、if gather during or immediately after a hard rain

D、under no circumstance

更多“Seawater may be used for drinking water ().”相关的问题
第1题

A、Fresh water may be obtained from fish  B、Lifeboat covers or canopies should be washed with rain before drinking water is collected  C、Fresh water may be collected from condensation inside the liferaft  D、Seawater should never be consumed  

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第2题

A、under no conditions  B、at a maximum rate of two ounces per day  C、if gathered during or immediately after a hard rain  D、after mixing with an equal quantity of fresh water  

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第3题

A、Fresh water may be obtained from fish  B、lifeboat covers or canopies should be washed with rain before drinking water is collected  C、Fresh water may be collected from condensation inside the life-raft  D、Freshwater cannot be produced from standing seawater  

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第4题

A、It's of no use for navigation and would be removed with notice  B、It's useful in navigation and may be removed without notice  C、It's helpless in navigation and may be removed without notice  D、It's helpful in navigation and may be removed without notice  

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第5题

A、The procedure may be used for some components to relocate component data to the SYSAUX tablespace from its current tablespace.  B、The procedure may be used for some components to relocate component data from the SYSAUX tablespace to another tablespace.  C、All the components may be moved into SYSAUX tablespace.  D、All the components may be moved from the SYSAUX tablespace.  

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第6题

A、A.tank level  B、B.Various filters  C、C.Drains  D、D.seawater temperature  

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第7题

A、changes in seawater salinity  B、glare on clouds on the horizon  C、changes in air temperature  D、icebergs  

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第8题

A、may be substituted for 10 percent of the required life preservers  B、should be stowed adjacent to lifeboats and emergency stations  C、may be used by boat crews and line handlers during lifeboat drills  D、should be used when carrying out duties near a weather deck's edge  

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第9题

A、 The VERSIONS BETWEEN clause maybeused in DML statements.  B、 The VERSIONS BETWEEN clause maybeused in DDL statements.  C、 The VERSIONS BETWEEN clause may not beused to query past DDL changes to tables.  D、 The VERSIONS BETWEEN clause may not beused to query past DML statements to tables.  

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