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【单选题】
以中性粒细胞浸润为主的炎症为A.
假膜性炎
B.
浆液性炎
C.
化脓性炎
D.
卡他性炎
E.
出血性炎
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反馈参考答案：
举一反三
【多选题】Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)
A.
It uses inexpensive hubs
B.
It operates without collisions
C.
It operates on switches
D.
It provides faster data transfer
E.
It utilizes fewer wiring pairs
【简答题】验电的步骤和要求是什么?
【简答题】对于有复验要求的元件还应该进行（ ）等复验。
【单选题】The bank clerk listened carefully he could discover exactly what the wanted.
A.
in case that
B.
now that
C.
so that
D.
provided that
【单选题】当大风停下了,孩子们又出来玩了。
A.
The winds stopped, the children came out to play again.
B.
When the winds stopped, the children came out to play again.
C.
While the winds stopped, the children came out to play again.
【多选题】Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?（）
A.
Full-duplex Ethernet uses CSMA/CD to pr collisions.
B.
Half-duplex Ethernet uses a loopback circuit to detect collisions.
C.
A full-duplex Ethernet card allows 20Mbps for data transmission.
D.
Full-duplex Ethernet makes use of two pairs of wires for data.
E.
An Ethernet hub can operate both half and full duplex simultaneously.
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