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【单选题】
关于急性乳腺炎的预防,下列哪项是错误A.
避免乳汁淤积
B.
使用抗生素
C.
防止乳头损伤
D.
正确哺乳方法
E.
经常清洗乳头
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举一反三
【单选题】Elephants, tigers and many 3 animals were living in the thick forest. When people came to live in Hong Kong, the 4 began to die out. Early farmers grew rice and 5 pigs and chickens in the valleys. The...
A.
lived
B.
died
C.
came
D.
left
【单选题】The farmers were more anxious for rain than the people in the city because they had more at ________.
A.
stake
B.
danger
C.
threat
D.
loss
【单选题】分解复杂大分子有机物时 , 往往是由多种微生物协同共同完成的 , 乙种微生物以甲种微生物的代谢产物为食物 , 丙种微生物又以及乙种微生物的代谢产物为食物 , 这种微生物之间的关系称为 ( )
A.
互生关系
B.
接力关系
C.
共生关系
D.
寄生关系
【单选题】Elephants, tigers and many 3 animals were living in the thick forest. When people came to live in Hong Kong, the 4 began to die out. Early farmers grew rice and 5 pigs and chickens in the valleys. The...
A.
So
B.
Such
C.
As
D.
Nor
【单选题】Elephants, tigers and many 3 animals were living in the thick forest. When people came to live in Hong Kong, the 4 began to die out. Early farmers grew rice and 5 pigs and chickens in the valleys. The...
A.
other
B.
others
C.
the other
D.
another
【单选题】在分解复杂大分子有机物时，往往是由多种微生物共同协同完成的，乙种微生物以甲种微生物的代谢产物为食物，丙种微生物又以乙种微生物的代谢产物为食物，这种微生物之间的关系称为（ ）
A.
互生关系
B.
拮抗关系
C.
共生关系
D.
寄生关系
【简答题】平衡计分卡的四个层面分别是( )层面、( )层面、( )层面和( )层面。
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