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【单选题】
以下制备注射用水的流程中，最合理的是A.
自来水→滤过→电渗析→蒸馏→离子交换→注射用水
B.
自来水→滤过→离子交换→电渗析→蒸馏→注射用水
C.
自来水→滤过→电渗析→离子交换→蒸馏→注射用水
D.
自来水→离子交换→滤过→电渗析→蒸馏→注射用水
E.
自来水→蒸馏→离子交换→电渗析→注射用水
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举一反三
【单选题】Eating more ( )could help to keep fit.
A.
Energy
B.
Carbohydrate
C.
fruit and vegetables
D.
Fat
【单选题】The result of the further study in the BJC was that______.
A.
eating fruit could reduce breast or prostate cancer risk
B.
eating one fourth of grapefruit each day increased breast cancer risk
C.
eating grapefruit didn't increase breast cancer risk
D.
eating more fruit reduced the death rate from heart attack
【单选题】Eating more ( )could help to keep fit.
A.
货币是一般等价物
B.
生产资料可以买卖
C.
fruit and vegetables
D.
资本主义市场已经形成
【单选题】Eating more （ ）could help to keep fit.
A.
Energy
B.
Carbohydrate
C.
fruit and vegetables
D.
fruit and vegetables
【单选题】Eating healthily costs about $1.50 more per person daily, according to the most thorough review yet of the affordability of a healthy diet. 'For many low-income families, an【C1】______$1.50 daily is qu...
A.
available
B.
adequate
C.
extra
D.
economical
【单选题】--Mike, could you tell me how to keep healthy? --You should eating unhealthy food and take more exercise in your free time.
A.
suggest
B.
regret
C.
avoid
D.
enjoy
相关题目：
【单选题】Eating more ( )could help to keep fit.
A.
Energy
B.
Carbohydrate
C.
fruit and vegetables
D.
Fat