Water （） a liquid made up of molecules of hydrogen and oxygen in the ratio of 2 to 1.-未来题库

Water （） a liquid made up of molecules of hydrogen and oxygen in the ratio of 2 to 1.

未来题库→百科

Water （） a liquid made up of molecules of hydrogen and oxygen in the ratio of 2 to 1.

A.calls

B.is

C.defines

D.refers

正确答案：is

Tags:molecules hydrogen of

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