Please supply 200 tons of fresh water（

1、In a domestic fresh water system, the

In a domestic fresh water system, the pump starters are controlled by （） switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.Awater levelBwater flowCtemperatureDpressure

2、Please supply us with 250 tons of fres

Please supply us with 250 tons of fresh water. You are requested to deliver it on board（）.Atill FridayBon Friday at the latestCuntil Friday afterwardsDat Friday soonest

3、Please （） the window to let some fresh

Please （） the window to let some fresh air in. 【open】　　请打开窗户通通气。

4、Allowance for fresh water for all free

Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in （）.AINTERNATIONAL LOADLINE CERTIFICATEBPASSENGER SHIP SAFETY CERTIFICATECCARGO SHIP SAFETY CONSTRUCTION CERTIFICATEDGENERAL DECLARATION

5、（） water is more expensive than fresh

（） water is more expensive than fresh water It has high specific heat and low viscosity.ADistilledBDistillingCBoilingDBoiled

6、供水性 water supplying capability

供水性 water supplying capability