为及时追溯到食品在原材料进厂时的日期批次及编号﹐应在成品外包装箱和小包装袋上作相应标识﹐作为追溯依据。
参考答案:对
填单词完成短文,首字母已给出。
Now Jenny and Danny are w 1 TV. Jenny is s 2 in a c 3 . Danny is sitting b 4 her.
Do you know Lynn and Bob? Lynn is Jenny's s 5 and Bob is Jenny's b 6 . They are playing. Are
they playing l 7 or quietly? Shhhhhhh! They are playing quietly. Everyone i 8 quiet.
1. w
2. s
3. c
4. b
5. s
6. b
7. l
8. i
下列说法不正确的是()
A.病毒不能在无生命的培养基上生长繁殖
B.抗生素多由放线菌和真菌产生
C.病原菌多为寄生菌
D.病原菌多为嗜温菌
E.病毒进入细胞后进行二分裂繁殖