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【单选题】
抗体的抗感染作用不包括A.
直接杀伤靶细胞
B.
抑制病原体的黏附作用
C.
调理吞噬作用
D.
中和细菌外毒素作用
E.
对细菌溶解作用
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举一反三
【单选题】It is obvious that she ________, for she looks much slimmer than she did last year. A．has gone on
A.
8. It is obvious that she ________, for she looks much slimmer than she did last year. A．has gone on diet
B.
has lost weight
C.
has put on weight
D.
has cut down weight
【多选题】下列属于急性炎症特点有
A.
A起病急骤、有明显发热
B.
B病程较短、可转变为慢性炎症
C.
C体表急性炎症红、肿、热、痛、功能障碍明显
D.
D病变常以增生为主、有时以变质或渗出为主
E.
E血中白细胞增多
【简答题】A．She looks pleasant. B．She likes singing. C．She looks much like her father. D．She is looking at the picture.
【判断题】用户编程使用数控车床加工零件时:通常是先让主轴带动工件旋转起来,然后再控制车刀作直线或曲线移动。车刀刀尖在工件上掠过的地方,即可形成加工表面。( )
A.
正确
B.
错误
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