皮皮学，免费搜题
登录
搜题
【单选题】
固有免疫应答不具备的特点是A.
直接识别病原体某些共有的配体分子
B.
识别结合配体后，立即产生免疫应答
C.
经克隆扩增和分化后，产生免疫效应
D.
维持时间短，没有免疫记忆功能，不产生再次应答
E.
参与适应性免疫应答过程
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He has always regretted _____ the opportunity at college. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
not to have taken
B.
not having taken prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
not to take
D.
not take
【简答题】He has two big round Chinese __________ (wood) tables.
【简答题】听录音，选择正确的答句。 ( ) 1. A. I wear size 16. ( ) 2. A. He has a fever. ( ) 3. A. She is a TV reporter. ( ) 4. A. I went fishing. ( ) 5. A. This weekend. ( ) 6. A. It's windy and cold...
【简答题】Billy is four years old and in the ninth grade. He has a 26 job which gets him 27 at five o’clock every morning. He is a 28 . Each morning, Billy leaves the house at 5: l5 to go to the corner 29 t...
相关题目：