问题
单项选择题 A1/A2型题
某免疫原有10μg以下，制备抗血清应选择的免疫途径是（）。
A.肌内注射
B.皮内注射
C.腹腔注射
D.淋巴结注射
E.静脉注射
答案
参考答案：D
解析：免疫途径通常有静脉、腹腔、肌内、皮内、皮下、淋巴结及足掌等。若抗原宝贵可采用淋巴结内微量注射法；半抗原宜皮内多点注射。
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某免疫原有10μg以下，制备抗血清应选择的免疫途径是（）。
A.肌内注射
B.皮内注射
C.腹腔注射
D.淋巴结注射
E.静脉注射
参考答案：D
解析：免疫途径通常有静脉、腹腔、肌内、皮内、皮下、淋巴结及足掌等。若抗原宝贵可采用淋巴结内微量注射法；半抗原宜皮内多点注射。
Trudy’s class has an English newspaper. The students write stories, articles and poems for it. Then they type and print their works out. The teacher posts everything on the wall so that it looks like a large, open newspaper. One day Trudy said to the teacher, “Most newspapers have advertisements. Can we have some small ads in ours?” The teacher thought this was a very good idea. She made Trudy the advertising manager and Trudy asked the other students to offer things for sale in the newspaper. Here are some of the ads she received.
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