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【多选题】
某郊区幼儿园,昨在某班发现一位麻疹患儿。为控制麻疹进一步在该幼儿园蔓延,应采取的措施中,下列哪些项是正确的( )A.
暂不接受其他易感儿入托
B.
整个幼儿园中小儿每天口服利巴韦林以预防
C.
易感者接触麻疹后应隔离检疫3
D.
体弱多病的易感者应立即肌肉注射丙种球蛋白
E.
被动免疫只能维持3-8,以后应采取主动免疫
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举一反三
【简答题】A．Mr. Smith. B．Mr. Johnson. C．The woman. D．Mr. Black.
【简答题】根据定积分的几何意义，判定下列定积分的值是正还是负(不必计算)．
【简答题】The harassing budget problems of the past few months have on her health and there are shadows beneath her eyes.
【简答题】The harassing budget problems of the past few months on her health and there are shadows beneath her eyes.
【单选题】The harassing budget problems of the past few months————-on her health and there are shadows beneath her eyes.
A.
have engaged
B.
have taken a gamble
C.
have taken their toll
D.
turned the tide
【简答题】根据定积分的几何意义，计算
【单选题】Why did the boss send Mr. Black to China on business?
A.
Mr. Black had never been to China before.
B.
Mr. Black was an able and hardworking man.
C.
Mr. Black could buy something interesting for Tony.
【单选题】What does the man mean?
A.
Mr. Black isn't in the office.
B.
Mr. Black is busy in the office.
C.
Mr. Black is asking the way.
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