问答题

4 The wd colonies Line 2 Para 4 refers to A tiny globules B watery regions C bacteria communities D little compartments

答案：答案：C 解析：从题目中给出的线索"4 The wd colonies Line 2 Para 4"，我们可以...

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3 Accding to Brocklehurst we can keep cream fresh by A removing its fat B killing the bacteria C reducing its water content D altering its structure

答案：答案：B 解析：为了保持奶油的新鲜度，通常的方法是通过杀菌来杀死细菌。因此，选项B "killing the ...

2 Accding to the researchers cream sours fast than butter because bacteria A are me evenly distributed in cream B multiply me easily in cream than in butter C live on less fat

答案：答案：B 解析：由于细菌在奶油中比在黄油中更容易繁殖，因此奶油比黄油更容易变酸。