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【多选题】
下列现象均属于生产过程中形成的物理性杂物污染的有：（）A.
生产环境不良使食品受到灰尘污染
B.
宰杀家畜时不慎使血、污染家畜肉
C.
在塑料制品中添加了禁止使用的添加剂
D.
在收割大混入草籽
E.
人为在掺沙子
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反馈参考答案：
举一反三
【单选题】They decided to open a second store because they______.
A.
had enough money to do it
B.
had succeeded in their business
C.
wished to meet the increasing demand of customers
D.
wanted to make believe that they were successful
【单选题】______ by the police, the kidnappers had no choice but to surrender.
A.
Surrounded
B.
To be surrounded
C.
Surrounding
D.
Having surrounded
【单选题】He ______ a great deal in the old days.
A.
was suffered
B.
had been suffered
C.
suffered
D.
had suffered
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