孕34周早产儿，出生体重2300g。出生后第3天出现嗜睡，反应差，拒乳，四肢皮肤发凉，臀部及大腿外侧皮肤色暗，触之有坚韧感。该早产儿最可能的诊断是A、败血症
B、新生儿湿肺
C、缺血缺氧性脑病
D、硬肿症
E、破伤风
此患儿进行体检时一般不可能出现的体征是A、心动过速
B、心动过缓
C、呼吸困难
D、心音低钝
E、体温不升
请帮忙给出正确答案和分析，谢谢！
已知集合A={a，b，c}，集合B={0，1}，映射f：A→B 满足f(a)·f(b)=f(c)，那么这样的映射f：A→B共有（ ）个.
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亚慢性毒性试验对动物的要求是
A、成年动物
B、必须雌雄各半
C、大鼠100g左右，小鼠15g左右
D、仅使用单一性别
E、必须为啮齿类或非啮齿类
请帮忙给出正确答案和分析，谢谢！
Whats the authors attitude toward the findings made by the National Institute？
A．Supportive.
B．Appreciative.
C．Opposed.
D．Neutral.
请帮忙给出正确答案和分析，谢谢！
According to the passage, action by the ECB______.
A．made the European Banking System cease to exist
B．let Berlin decide to break with Greece immediately
C．has a positive effect on the European Banking System
D．caused extreme divergence across the single currency area
请帮忙给出正确答案和分析，谢谢！
Which of the following changes is good for Type Ds？
A．Focussing on unimportant issues.
B．Avoiding seeking medical care.
C．Learning smoking to make more friends.
D．Be patient for something that offends you.
请帮忙给出正确答案和分析，谢谢！
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