Dr Smith, together with his wife, _____ to arrive on the evening fight. A: have B: has

中国大学MOOC: Dr Smith, together with his wife and two sons, __________to arrive on the evening flight.

Dr.Smith is going to pull out one of my _________. A: teeth B: tooth C: teeths D: tooths

What are the correct ledger entries to record an accrual in the accounts?? Dr AssetCr Expenses|Dr ExpensesCr Liability|Dr LiabilityCr Expenses|Dr ExpensesCr Asset

相对密实度Dr会出现Dr>1和Dr<1的情况

关于DR的以下哪项陈述不正确？（） A: DR无法检索丢失的数据 B: DR无法恢复损坏的数据 C: DR无法恢复服务 D: DR确保业务连续性

一个能接受LRD指令的机器人程序，以下能让机器人回到原点的程序是： A: DL DR DL DR D B: DDR DR DR DDL DL D C: DDDR DR DDR DDL D D: DR DL DDR DDL DDDR DDDL

关于OSPF中DR的说法不正确的是（ ） A: 通过hello报文选举DR B: 如果某路由器优先级比DR优先级高，但启动晚，它会抢占原来的DR自己成为DR C: 一个广播类型网络中只能有一个DR D: 一旦DR失效，BDR接替DR的工作，并重新选举一个BDR

23（） A: Dr Madison is absent from the conference. B: Dr Madison is an expert on economics. C: Dr Madison will present our view of global economy. D: Dr Madison will preside over the conference this afternoon.

When we meet a man called “John Smith” for the first time, it’s better to call him ___________. A: Smith B: Mr. Smith C: John D: John Smith