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问题 单项选择题

中毒性菌痢的临床特征哪项除外（）

A.急性高热，反复惊厥，昏迷

B.腹痛、腹泻明显

C.迅速发生休克，呼吸衰竭

D.大便常规检查发现大量炎性细胞

E.脑脊液化验正常

答案

参考答案：B

填空题

方程1.5x﹣0.4x=0.8的解是x=（    ）。
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单项选择题

(41) is a protocol that a host uses to inform a router when it joins or leaves an Internet multicast group.
(42) is an error detection code that most data communication networks use.
(43) is an interior gateway protocol that uses a distance vector algorithm to propagate routing information.
(44) is a transfer mode in which all types of information are organized into fixed form cells on an asynchronous or non-periodic basis over a range of media.
(45) is an identifier of a web page.

A．ICMP

B．SMTP

C．IGMP

D．ARP
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