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问题 单项选择题 B型题

重型肝炎患者可出现ALT（）

A.明显升高

B.轻度或中度升高或反复异常

C.快速下降，胆红素不断升高

D.快速下降，胆红素不断下降

E.不变，胆红素不断升高

答案

参考答案：C

解析：急性肝炎时ALT明显升高。慢性肝炎和肝硬化时ALT轻度或中度升高或反复异常。重型肝炎患者可出现ALT快速下降，胆红素不断升高的胆酶分离现象，提示肝细胞大量坏死。

单项选择题

Teachers need to be aware of the emotional, intellectual, and physical changes that young adults experience. And they also need to give serious (51) to how they can be best accommodate such changes. Growing bodies need movement and (52) , but not just in ways that emphasize competition. Because they are adjusting to their new bodies and a whole host of new intellectual and emotional challenges, teenagers are especially self-conscious and need the (53) that comes from achieving success and knowing that their accomplishments are admired by others. However, the typical teenage lifestyle is already filled with so much competition that it would be (54) to plan activities in which there are more winners than losers, for example, publishing newsletters with many student-written book reviews, (55) student artwork, and sponsoring book discussion clubs. A variety of small clubs can provide multiple opportunities for leadership, as well as for practice in successful (56) dynamics. Making friends is extremely important to teenagers, and many shy students need the (57) of some kind of organization with a supportive adult (58) visible in the background.

In these activities, it is important to remember that the young teens have (59) attention spans. A variety of activities should be organized (60) participants can remain active as long as they want and then go on to something else without feeling guilty and without letting the other participants down.

58().

A.particularly 

B.barely 

C.definitely 

D.rarely
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问答题 简答题

简述回归分析预测法的操作步骤。
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