皮皮学，免费搜题
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【单选题】
关于再次免疫应答特点错误的是( )A.
抗体产生潜伏期比初次应答短
B.
IgG的滴度高于IgM
C.
抗体与抗原的亲和力强
D.
产生抗体维持时间长
E.
抗体产生速度比初次应答慢
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】巨噬细胞的主要功能有( )
A.
吞噬、杀灭病原菌和异物等
B.
分泌参与炎症反应的生物活性介质
C.
摄取并处理抗原，并把抗原信息递呈给淋巴细胞
D.
分泌抗体，中和炎症中产生的有害物质
【简答题】试述统治下的中国社会经济状况。
【简答题】绞尽脑汁,苦苦寻找
【简答题】名词解释:移动医疗
【单选题】As the final exam is just around the corner, all the students are in reviewing the lessons carefully. [ ]
A.
occupied
B.
practising
C.
busying
D.
devoted
【简答题】乏味的怪物 2、满怀着诚挚期待 3 、绞尽脑汁苦苦寻找 4、关于正确使用英语能力下降的问题 5、 ..... 应归咎于 ....
【单选题】New Zealand is the first country in the world to get the new day, because
A.
it is just east of the International.
B.
it is just west of the International Date Line.
C.
it is located just between the equator and the South Pole.
D.
it is located in the Southern Pacific Ocean.
【单选题】Mistakes don't just happen , they occur for a reason. Find out the reason, and then making the mistake becomes _____ . [ ]
A.
favourable
B.
precious
C.
essential
D.
worthwhile
【单选题】Mistakes don't just happen; they occur for a reason. Find out the reason, and then making the mistake becomes ______. [ ]
A.
favorable
B.
precious
C.
essential
D.
worthwhile
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