九岁男孩,近1周前出现食欲不振、恶心、呕吐,活动减少,伴有发热,体温在37~38℃之

题型:单项选择题 A3/A4型题

问题:

九岁男孩,近1周前出现食欲不振、恶心、呕吐,活动减少,伴有发热,体温在37~38℃之间。近2天出现尿黄来医院就诊。出生时注射过乙型肝炎疫苗。检查:巩膜黄染,肝肋下1.5cm,脾未触及,化验ALT980U/L,TBil:116.5μmol/L,anti-HBs阳性。

最可能的诊断为()

A.食物中毒

B.急性胃肠炎

C.急性乙型肝炎

D.急性甲型肝炎

E.药物性肝炎

考点:消化内科学(医学高级)急慢性肝炎急慢性肝炎题库
题型:单项选择题 A3/A4型题
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As a student, you must have homework every day. How do you deal with your homework? When do you usually finish your homework? Here is some advice for you to help you finish your homework well.
Homework should be done as soon as you get home from school. If you have after-school activities, the homework should be done first. At the same time, it is fine to allow for a snack break and also to allow for stretching(伸展) breaks.
Also, you should remember that it is your duty to do your homework. Don’t depend on Mum and Dad for help. Please try to find the answer yourself because you will learn much more that way.
When you have a question, especially something about a science or maths, don’t always turn to your teacher! It is a good idea to try to find the answer yourself. If this doesn’t work, you can also look at your textbooks carefully. They may help you understand the problem.
Finally, while doing homework, don’t think about or do other things. Keep working. Setting a time limit(限制) often helps with this. Different ages decide different amounts of time. 10-15 minutes is good for a child that’s aged 6-8. A time of 20-30 minutes is about right for a child aged 9-12. Kids can keep studying for 30-45 minutes at the ages of 13-15. This, of course, depends on your ability to pay attention and stay on tasks.
Information Card
The proper time to do homework
小题1:.
Your homework shouldn’t be done by depending on
小题2:
What can you do if you can’t work out the maths or science problems?
小题3:
The way to make yourself keep working is
小题4:
A 14-year-old child can keep studying for
小题5:
题型:单项选择题 A3/A4型题

一个圆柱的底面直径为0.4dm,高为0.3dm。这个圆柱的底面积是(  ) dm2,表面积是(  )dm2,体积是(  )dm3

题型:单项选择题 A3/A4型题

下列变化一定属于化学变化的是(  )

①铁在空气中缓慢被氧化

②SO2使品红溶液褪色

③无水硫酸铜由白色粉末变成蓝色晶体

④导电

⑤爆炸

⑥工业制O2

⑦白磷转化为红磷

⑧久置浓硝酸变成黄色.

A.①②③⑦⑧

B.①②③⑤⑦

C.①③④⑥⑧

D.②③④⑦⑧

题型:单项选择题 A3/A4型题

下列有关元素化合物的叙述中正确的是                 (   )

A.碱金属原子的最外层电子数都是1,次外层电子数都是8

B.将SO2通入滴有紫色石蕊试液的水中,溶液变成红色

C.白磷易溶于水,不能保存在水中

D.高性能通信材料光导纤维的主要原料是单品硅

题型:单项选择题 A3/A4型题

如果某螺杆泵井泵无排量,井口憋压时()不升,表明该井抽油杆发生了断脱。

A、套压

B、油压

C、回压

D、电流

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