男孩，8岁。因发热7d于8月份入院。体检：表情淡漠，躯干部散在数枚淡红色斑丘疹，咽不红，颈部淋巴结数枚，黄豆大小，心肺无异常，腹胀，肝肋下3cm，脾肋下2cm。实验室检查：白细胞7×10／L，中性60％，淋巴细胞34％，异型淋巴细胞8％，ALT70u／L，AST60u／L，2d前肥达氏试验阴性。
目前最有意义的病原学检查是（）
A.血培养
B.肝炎病毒检测
C.粪尿培养
D.EB病毒抗体检测
E.肥达氏试验
参考答案：A
| 完形填空。 | |||
| Do you know how to study better and make your study more effective (有效的)?We all know that Chinese students usually study very hard for long 1 .This is very good but it doesn't 2 a lot,for an effective student must have enough sleep,enough food and enough rest and exercise.Every day you need to go out for a walk or visit some friends or some nice places.It's good for your study. When you return to your studies,your mind will be refreshed(清醒) and you'll learn more 3 study better.Psychologists(心理学家) have found that learning takes place this way.Take English learning 4 an example.First you make a lot of progress(进步) and you feel happy.Then your language study seems 5 the same.So you will think you're learning 6 and yo  u may give up.This can last for days or even weeks,yet you needn't give up.At some points your language study will again take another big 7 .You'll see that you really have been learning all along.If you get enough sleep,food,rest and exercise,studying English can be very effective and 8 .Don't give up along the way.Learn slowly and you're sure to get good results. | |||
| ( )1. A. days ( )2. A. help ( )3. A. yet ( )4. A. with ( )5. A. to have ( )6. A. something ( )7. A. work ( )8. A. hard | B. time B. give B. and B. for B. to make B. anything B. jump B. common | C. hours C. make C. or C. as C. to take C. nothing C. walk C. interestin | D. weeks D. take D. but D. to D. to stay D. everything D. result D. possible |