问题
单项选择题 A1/A2型题
可溶性抗原定量测定常用的方法是（）.
A.免疫印迹法
B.ELISA（夹心法）
C.直接凝集试验
D.ELISA（间接法）
E.免疫荧光技术
答案
参考答案：B
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可溶性抗原定量测定常用的方法是（）.
A.免疫印迹法
B.ELISA（夹心法）
C.直接凝集试验
D.ELISA（间接法）
E.免疫荧光技术
参考答案：B
| 阅读理解。 | |||
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| 1. If you want to go to Betty and Jack,s party, you can call ___ . | |||
| A. 342-1525 B. 342-7391 C. 342-2691 D. 342-7350 | |||
| 2. Mike Green has to sell his washing machine because ___ . | |||
| A. he wants to buy a new one B. he will go abroad C. he wants to buy a new house D. There's something wrong with it | |||
| 3. Smith's Book Club is open ___ a day. | |||
| A.8 hours B.10 hours C.12 hours D.20 hours | |||
| 4. If you want to read some books, you can go to ___ . | |||
| A. 31 Station Street B. 15 North Street C. 10 park Street D. 15 Apple Street | |||
| 5.You can use the e-mail mikegreen@hotmail. com if you want to ___ . | |||
| A. read some books B. go to a family party C. drink some good coffee D. buy a washing machine |