2. 外语
  3. Bacterial (cultures) are used (commercially) in the (preparation) of food products (such)that yogurt ,sour cream ,and vinegar.

Bacterial (cultures) are used (commercially) in the (preparation) of food products (such)that yogurt ,sour cream ,and vinegar.

admin2005-01-30  50
问题 Bacterial (cultures) are used (commercially) in the (preparation) of food products (such)that yogurt ,sour cream ,and vinegar.
选项 A、cultures
B、commercially
C、preparation
D、such
答案D
解析
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