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【判断题】
当2个或2个以上的输入同时为有效信号时,优先编码器将只对优先级别高的输入进行编码。 对吗?A.
正确
B.
错误
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举一反三
【单选题】下列关于溃疡,哪项是错误的?
A.
维生素不足和内分泌的紊乱是诱发溃疡的重要原因。
B.
机体抵抗力降低是诱发溃疡的重要原因。
C.
溃疡表面被覆软化污秽无构造的组织分解物，并有腐败性液体浸润，这是褥创性溃疡的特征。
D.
组织再生能力降低是诱发溃疡的重要原因。
【多选题】关于电子邮件所遵循的基本协议的说法正确的是()
A.
协议和标准能保证电子邮件在不同系统之间传输
B.
POP3是 In tenet基于TCP/P的传输层协议
C.
SMTP是Internet上基于TCP/的应用层协议
D.
IP的邮件服务器都安装了POP和SMTP两个协议
【多选题】关于电子邮件所遵循的基本协议的说法正确的是()
A.
协议和标准能保证电子邮件在不同系统之间传输
B.
pop3是Internet上基于tcp/ip的传输层协议
C.
smtp是Internet上基于tp/ip的应用层协议
D.
isp的邮件服务器都安装了pop3和smtp两个协议
【单选题】Section B Directions: In this section, you will read 5 short conversations between a man and a woman. At the end of each conversation there is a question followed by 4 choices marked A, B, C and D. Ch...
A.
It is as good as always.
B.
It is good enough for something new.
C.
It is good, but not as good as before.
D.
It is better than usual.
【单选题】Section B Directions: In this section, you will read 5 short conversations between a man and a woman. At the end of each conversation there is a question followed by 4 choices marked A, B, C and D. Ch...
A.
He should have told them earlier.
B.
It is of no use to turn the music down.
C.
The neighbors will not listen to him.
D.
He should focus on his own thinking.
【简答题】,一代红妆照汗青。
【单选题】Section B Directions: In this section, you will read 5 short conversations between a man and a woman. At the end of each conversation there is a question followed by 4 choices marked A, B, C and D. Ch...
A.
Go to the movies with the man.
B.
Take her brother to the movies.
C.
Eat at her brother's.
D.
Cook dinner with Anne.
【单选题】Part 5 Listen to the Conversations Listen to the conversations. At the end of each conversation, three questions will be asked. Choose the best answer for each question. Conversation 1
A.
They often work all the time
B.
They seldom say“no”to their kids.
C.
They often have an au pair to take care of their kids.
D.
They are stricter.
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