在K-CHIEF500系统中，SGW是连接CAN总线和Ethernet网之间的网关单_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

在K-CHIEF500系统中，SGW是连接CAN总线和Ethernet网之间的网关单元，其主要任务不是（）。

A.接受来自于CAN总线的信息，对OS进行刷新

B.管理操作站OS发送到DPU的操作指令、参数和程序

C.使所有必需的组态和软件安装均通过Ethernet网完成

D.处理来自于localCAN的信息并将其送往globalCAN

答案

参考答案：D

单项选择题

出现大量心包积液时，可出现除哪项外的下列体征

A．奇脉
B．颈静脉Kussmaul征
C．Ewart征
D．心包摩擦音

完形填空

One day, Raul was miles away from the small ranch (牧场)house in a large valley. Everything seemed to be all right, yet he felt strange and somewhat uneasy. The wind had picked up, and angry, dark clouds 31 across the sky. He could smell the rain coming. And it did. 32 , the lightning flashed through the clouds, nearly 33 Raul. The thunder (雷声) was so loud that he buried his head in his hands and rubbed his eyes. Then he heard it — hoof beats (蹄声). He 34 . There before him stood a tall, white horse. An old man stared down at him from its back.
“Wh-wh-who are y-y-you?” asked Raul. “Oh, my name is Gray Cloud,” the old man answered 35 , “come with me.”
Raul followed on with his horse. A 36 feeling came over him. All 37 them the rain was pouring down, 38 not a drop fell on them. They seemed to be 39 back toward Raul’s home. Raul lost track of time. Then all at once, he found 40 at the ranch gate. The old man turned his horse, waved his hand, and smiled. Lightning flashed again. The old man and his horse were 41 .
Raul’s father ran out across the yard to 42 him. “We have been 43 about you. Are you okay? Hurry. Let’s get in out of the 44 .”
“Wait,” said Raul. “Have you ever heard of an old man called Gray Cloud?”
“Can’t say I … wait. I believe my great-grandfather used to tell stories about a man called Gray Cloud. He died a long time ago. They all say he was 45 by lightning during a terrible thunderstorm. Why do you ask?” At this, Raul was really more shocked than puzzled.