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【多选题】
关于III型超敏反应说法正确的是:A.
主要由 IgG 、 IgM 或 IgA 类抗体介导
B.
主要由 IgE 类抗体介导
C.
仅引起局部反应
D.
可引起局部或全身反应
E.
引起以充血水肿、局部坏死和中性粒细胞浸润为主要特征的炎症反应和组织损伤
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举一反三
【单选题】25 Obtaining team commitment depends on:
A.
clear and interesting job assignments
B.
consensus on project goals
C.
involvement in developing task objectives
D.
All of the above.
E.
B and C
【简答题】《安全生产法》规定， “三同时”原则指的是什么?
【简答题】Questions 19 to 21 are based on the passage you have just heard. 19. A) If kids did not like school, real learning would not take place.B) If not forced to go to school, kids would be out in the stree...
【简答题】Let them enjoy _____ (they) in this beautiful night.
【单选题】Why is the Security Council effective only when its permanent members can reach a consensus?
A.
Because every permanent member has the veto right of great powers.
B.
Because all the permanent members won in the World War Ⅱ.
C.
Because the other members of the Security Council are in the charge of the permanent members.
D.
Because of some other reasons not mentioned in this passage.
【简答题】建设项目安全设施“三同时”原则指的是?
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