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【简答题】
A．By filtering sea water. B．By treating sea water with chemicals. C．By taking salt out of sea water. D．By drying up sea water.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】We use ( ) to distill fresh water from sea water
A.
sea water pump
B.
fresh water pump
C.
fresh water generator
【单选题】在为儿童进行Mohindra视近检影验光时,需要在检影补偿镜中减去的实验性指定常数是( )。
A.
+2.00DS
B.
+1.75DS
C.
+1.50DS
D.
+1.00DS
【单选题】We use _____ to distill fresh water from sea water.
A.
engine
B.
sea water pump
C.
sea water pump
D.
fresh water generator