皮皮学，免费搜题
登录
搜题
【单选题】
关于IgG,下列哪一项是错误的?( )A.
K细胞借助该抗体能杀伤靶细胞
B.
是新生儿从初乳中获得的唯一抗体
C.
吞噬细胞借助该抗体能增强吞噬作用
D.
与抗原结合后能激活补体
E.
半衰期为21天左右
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
【简答题】句型转换。（每空1分，共8分 小题1:How do you like your country? (改为同义句) What do you _______ _______your country? 小题2:Tom is taller than any other student in his class. Tom is _______ _______ student in his cl...
【单选题】线性无源二端网络【图片】仅由电阻组成，如图（a）所示，当【图片】时，【图片】,求当电路改为图（b）所示电路时的电流【图片】。【图片】
A.
1A
B.
2A
C.
10A
D.
5A
【单选题】— How do you deal with the disagreement between the company and the customers? — The key ____ the problem is to meet the demand ____ by the customers. [ ]
A.
to solving; making
B.
to solving; made
C.
to solve; making
D.
to solve; made
【简答题】根据句意完成句子,每空一词 1.-How do you study for a test? -I study _________working with a group. 2.-Do you ever practise conversation with friends? -I do that sometimes.I think it _________. 3.-Have you ever stu...
【简答题】唐代颁布了我国第一部,也是世界上最早的一部国家药典《 》。
【简答题】补全对话， 每空一词。 Sandra: Do you like carrots? Tom: Yes, I 1_______. Sandra: How about broccoli? Do you 2_______ broccoli? Tom: Yes, I do. It's great! Do you like vegetables? Sandra: No, I 3_______ like veg...
相关题目：