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【T5】
A. LIKE
B. THROUGH
C. CONSISTS OF A. WHAT SUBSTANCES YOUR TAP WATER【T1】______
B. WHILE THE WATER STREAMS【T2】______ PIPELINES
C.【T3】______ EVERY OTHER SUBSTANCE DRINKING WATER,【T4】______ , CONTAINS SMALL AMOUNTS OF BACTERIA. MOST OF THESE BACTERIA ARE COMMON ONES AND THEY ARE GENERALLY NOT HARMFUL. CHLORINE(氯)IS USUALLY ADDED TO DRINKING WATER TO PREVENT BACTERIAL GROWTH【T5】______ THIS IS WHY DRINKING WATER ALSO CONTAINS SMALL AMOUNT OF CHLORIN
E. WATER MOSTLY CONSISTS OF MINERALS AND OTHER INORGANIC COMPOUNDS, SUCH AS CALCIU
M. IF YOU WANT TO FIND OUT【T6】______ AND WHETHER IT IS TOTALLY SAFE TO DRINK, YOU CAN HAVE A SPECIALIZED AGENCY CHECK IT OUT FOR YOU.

A.【T3】______
B.


【参考答案】

B
此处不需要名词性成分,因此A选项(名词性从句)不能选。句子的大意是:氯经常被添加到水中,在水流经管道时,来抑制细菌的增加。因此,B为正确。
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