问题
单项选择题
早期诊断甲型肝炎最简便可靠的血清学标志是（）
A.血清中检出抗HAV-IgM
B.血清中检出抗HAV-IgG
C.ALT明显升高
D.血清中检出抗原－抗体复合物
E.分子杂交法检测到HAVRNA
答案
参考答案：A
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早期诊断甲型肝炎最简便可靠的血清学标志是（）
A.血清中检出抗HAV-IgM
B.血清中检出抗HAV-IgG
C.ALT明显升高
D.血清中检出抗原－抗体复合物
E.分子杂交法检测到HAVRNA
参考答案：A
| 阅读理解：根据表格内容，选出正确答案。 | ||||||||||||||||||||
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| 1. Tom is _________ years old. | ||||||||||||||||||||
| A. eleven B. twelve C. thirteen D. ten | ||||||||||||||||||||
| 2. —What class is Lily in? —She is in __________. | ||||||||||||||||||||
| A. Class 2, Grade 1 B. Class 1, Grade 2 C. Class3, Grade 1 D. Class 2, Grade 3 | ||||||||||||||||||||
| 3. Kate is from __________. | ||||||||||||||||||||
| A. Nanjing B. English C. America D. Beijing | ||||||||||||||||||||
| 4. —What's Mr Liu? —He is a __________. | ||||||||||||||||||||
| A. teacher B. policeman C. worker D. nurse | ||||||||||||||||||||
| 5. Which sentence is wrong? | ||||||||||||||||||||
| A. Kate's eyes are blue. B. Tom has yellow hair. C. Mary has a red hat. D. Mr liu's jeans are orange. |