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【多选题】
下列关于医疗用品的卫生标准中正确的是（）A.
进入人体无菌组织、器官或接触破损皮肤、黏膜的医疗用品必须无菌
B.
接触黏膜的医疗用品细菌菌落总数应≤20cfu/g或20cfu/100cm；致病性微生物不得检出
C.
接触皮肤的医疗用品细菌菌落总数应≤200cfu/g或200cfu/100cm，致病性微生物不得检出
D.
使用中消毒剂细菌菌落总数应≤100cfu/mL；致病微生物不得检出
E.
无菌器械保存液必须无菌
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【单选题】My sister has ____________ pink sofa. She likes reading in ____________ sofa. [ ]
A.
a, the
B.
an, the
C.
the, the
【单选题】We can infer from the passage that ______.
A.
red pigment is more responsive to technique than any other pigment
B.
the significance of colors can vary from person to person
C.
red is more suggestive than blue
D.
mixed colors are closer to reality than the few basic colors
【简答题】阅读理解。 I have a good friend. Her name is Linda. She has a red backpack. It is on the sofa. She has two blue dictionaries. They are on the desk in her room. She has a yellow quilt. It is on her bed. She...
【简答题】4-氨基苯甲酸－2－二氨基乙酯盐酸盐是
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