Brocklehurst believes it will be possible to make something changes of the for instance, more like that in butter, The key will be possible to make something used in salad cream liquid and mot taming like it into a solid state.

　　67The significance of Brocklehurst's research is that.

　　Ait suggested a way to keep some foods fresh without using some chemicals

　　Bit discovered small globules in both cream and butter

　　Cit showed the secret of how bacteria increase in cream and butter

　　Dit found that cream and butter share the same chemical composition

　　68According to the researchers, cream goes bad faster than butter

　　because bacteria.

　　Aare stronger in cream

　　Bincrease their number more easily in cream than in butter

　　Clive on less fat in cream than in butter

　　Dproduce less waste in cream than in butter

　　69According to Brocklehurst, we can keep cream fresh but .

　　Aremoving its fat Bkilling the bacteria

　　Creducing its water D changing its stricture

　　70The underlined word“colonies” refers to .

　　Atiny globules Bwatery regions

　　Cbacteria society Dlittle departments

　　71Commercial use of the research finding will be possible if salad cream can be made to stand bacterial attack .

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