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【判断题】
内力只作用在杆件截面的形心处A.
正确
B.
错误
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【单选题】听力原文：M: What about Peter's work? W: Fie doesn't do it. When I ask the class to do an exercise, he sits and looks out of the window. Q: What does the woman think of Peter? (16)
A.
Peter likes to do physical exercise.
B.
Peter is absent-minded in class.
C.
Peter is a naughty boy.
D.
Peter usually walks to class.
【多选题】以下关于主机配置与DHCP协议的描述中,错误的是()。
A.
对于远程主机、移动设备、无盘工作站和地址共享的配置,手工方法是不可能完成的。
B.
RARP是第一个支持对主机的配置的协议。
C.
BOOTP实现了对动态IP地址分配的支持。
D.
DHCP可以为主机自动分配IP地址及其他一些重要的参数。
【单选题】When the opening pressure of a diesel fuel injector is greater than that specified by the engine manufacturer，the ________.
A.
quantity of fuel injected is decreased
B.
quantity of fuel injected will always be increased
C.
start of injection is advanced
D.
duration of injection will always be greater
【单选题】以 下关于主机配置与DHCP协议的描述中,错误的是
A.
主机配置参数主要有网络默认路由器地址、掩码、服务器地址、分组TTL值等.
B.
对于远程主机、移动设备、无盘工作站和地址共享的配置,可以手工完成
C.
在TCP/IP协议体系中,DHCP协议位于网络层
D.
DHCP 可以为主机自动分配IP地址及其他一- 些重要参数
【单选题】36 When items to be purchased for a project are specified by performance characteristics:
A.
paperwork is greatly reduced
B.
the supplier is held liable for the operation of the item
C.
the supplier is held liable for the maintenance of the item
D.
the supplier is held liable for that the item meets the design, dimensions, and tolerance specifications.
E.
B and D only
【简答题】在理论的指导下,20世纪的中国又一次发生了 的变化,开启了中华民族 的新征程。
【单选题】ECDIS must give an alarm for which of the following cases ().
A.
When the specified limit for deviation from the planned route is exceeded
B.
If the ship，within a specified time set by the watch officer，is going to cross a safety contour
C.
If the ship，within a specified time set by the watch officer，is going to cross the boundary of a prohibited area
D.
All of the above
【单选题】以下关于主机配置与DHCP协议的描述中,错误的是
A.
主机配置参数主要有网络默认路由器地址、掩码、服务器地址、分组TTL值等
B.
对于远程主机、移动设备、无盘工作站和地址共享的配置，可以手工完成
C.
在TCP/P协议体系中，DHCP协议位于网络层
D.
DHCP可以为主机自动分配IP地址及其他一些重要参数
【单选题】154 When items to be purchased for a project are specified by performance characteristics:
A.
paperwork is greatly reduced
B.
the supplier is held liable for the operation of the item
C.
the supplier is held liable for the maintenance of the item
D.
the supplier is held liable for that the item meets the design, dimensions, and tolerance specifications.
E.
B and D only
【单选题】以下关于DHCP协议的描述中，错误的是__（66）__。
A.
采用DHCP协议可以简化主机IP地址配置管理
B.
客户机必须首先配置IP地址才能与DHCP服务器联系
C.
DHCP服务器管理IP地址的动态分配
D.
DHCP降低了重新配置计算机的难度，减少了工作量
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