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【单选题】
关于令牌环网的描述中,错误的是【 】
A.
令牌环网的结点通过环接口连接形成逻辑环形
B.
IEEE802.5标准定义了令牌环介质访问控制方法与相应的物理规范
C.
令牌帧只包含帧首定界符SD、帧尾定界符ED和访问控制字段AC,当令牌空闲可以使用该令牌发送数据帧
D.
令牌环网支持优先级服务
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【判断题】外墙砌筑脚手架的工程量是以外墙面积扣除门窗洞口面积来计算的。( )
A.
正确
B.
错误
【单选题】In paragraph 4, the author tries to tell us that ______.
A.
assembly language is a much higher level language than machine language
B.
assembly language written for one kind of computer can't be used by another
C.
assembly language is a high level language
D.
programs written by a compiler run faster than those created in assembly language
【单选题】The Assembly Language is often used to distinguish(73)machine-readable information from textual human-readable information.
A.
binary
B.
hex
C.
octal
D.
decimal
【单选题】美国教育界将 “教育”与“饼干模子”联系起来,为了说明什么道理?
A.
教育不像做饼干那么简单
B.
教育就像做饼干模子一样需要花费时间和心思
C.
教育不能像做饼干一样从一个模子里面倒出来
D.
教育与做饼干模子一样,都能收获劳动成果
【判断题】In general ,he says,"people like people who like themselves."
A.
正确
B.
错误
【简答题】I n practice, every computer language above assembly language is a high - level language.
【简答题】Please translate the following sentences into Chinese. 1. “ Is the phrase in Shakespeare? That would be the confirmation that it was in general use. He uses it once, when Mistress Quickly in The Merry...
【判断题】普通类化妆品仅仅需要在药监局备案,不需要经过审批就可以上市销售。
A.
正确
B.
错误
【单选题】一台三相变压器,额定容量SN=5000kVA,额定电压U1N/U2N=10kV/6.3kV,采用Yd11连接,则变压器的二次侧额定相电流为( )A。
A.
88.2
B.
152.7
C.
264.6
D.
458.2
【简答题】请简述马自达6前车窗玻璃的拆除与安装步骤。
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