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【单选题】
关于超急性细菌性结膜炎的描述，不对A.
起病急，病情进展快
B.
大量脓性分泌物
C.
主要致病菌是萘瑟淋球菌，萘瑟脑膜炎球菌
D.
一般无耳前淋巴结肿大
E.
眼睑高度红肿，结膜充血显著
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【简答题】在8086CPU的时序中,为满足慢速外围芯片的需要,CPU采样_____________信号,若未准备好,插入_____________时钟周期。
【简答题】在8086CPU的时序中,为满足慢速外围芯片的需要,CPU采样_____________信号,若未准备好,插入_____________时钟周期。
【单选题】Which is true about the Maryland Science Center?
A.
Visitors
B.
It helps visitors travel to other countries.
C.
It can be visited 24 hours a day.
【单选题】The Maryland Science Center s more than fun. You can enjoy the three floors of exciting things, watch the larger-than-life play on the 4th floor, and travel to other worlds, to far away stars, on the ...
A.
Learn science by trying it out.
B.
Watch and take part in a play.
C.
Make gifts for their friends.
【单选题】Which is TRUE about the Maryland Science?
A.
Visitors can play and learn at the same time.
B.
It helps visitors travel to other countries.
C.
It can be visited 24 hours a day.
【单选题】What can visitors do at the Maryland Science Center?
A.
Learn science by trying it out.
B.
Watch and take part in a play.
C.
Make gifts for their friends.
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