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问题 单项选择题 B1型题

当患有纤维蛋白性心包炎和胸膜炎时，动物心脏心搏动的病理变化主要是（）

A.心搏动移位

B.心区震颤

C.心搏动增强

D.心区疼痛

E.心搏动减弱

答案

参考答案：B

多项选择题

下列银行中属于股份制商业银行的是()

A．交通银行

B．深圳发展银行

C．中信实业银行

D．中国光大银行

E．中国民生银行
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单项选择题

Packet switching is a method of slicing (71) messages into parcels called“packets，”sending the packets along different communication (72) as they become available，and thenreassembling the packets (73) they arrive at their destination．Prior to the development ofpacket switching，early computer networks used leased，dedicated telephone circuits to (74) with terminals and other computers．In circuit—switched networks such as the telephone system，a complete point—to—point (75) is put together,and then communication can proceed．

A．tracks
B．paths
C．streets
D．channels
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