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【简答题】
5131 简述运输层的作用。
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反馈参考答案：
举一反三
【单选题】3) What's the author's definition of success?
A.
Accomplishing a lot in one's career.
B.
Having a decent job and high salary.
C.
Being young and healthy.
D.
Leading a happy life and enjoying what one is doing.
【单选题】下列关于二进制文件的叙述中,不正确的是
A.
使用二进制文件恢复数据可以替代使用备份文件恢复数据
B.
使用mysqlbinlog工具不仅可以查看二进制日志文件,也可以通过二进制文件恢复数据库
C.
开启日志功能,MySQL会自动创建一个二进制日志文件和一个二进制日志索引文件
D.
使用RESET MASTER语句可以清除当前的全部二进制日志文件,并自动生成一个新的二进制日志文件
【单选题】呼吸肌训练注意事项不正确的描述是
A.
选择放松体位
B.
训练时避免情绪紧张
C.
避免过分减慢呼吸频率
D.
每次训练一般为5～10分钟
E.
每次训练一般为10~25分钟
【单选题】How did the author's parents differ from the Whites?
A.
The author's parents were less caring.
B.
The author's parents were less loving.
C.
The author's parents were less friendly.
D.
The author's parents were less understanding.
【简答题】A．An official of the UN. B．A coffee shop owner. C．A friend of the author's. D．Alex's friend from California.
【单选题】What impressed the author so much about Mark’s response to the author’s correcting?
A.
He paid no attention to what the author said.
B.
He kept talking despite the fact that the author corrected him for misbehaving.
C.
He responded to the author’s criticism in a sincere way.
D.
He lost patience after hearing about the teacher’s criticism.
【单选题】What's the author's attitude toward the change of communication methods?
A.
The author shows no interest in the change of communication methods.
B.
The author thinks the new way is more convenient and helpful.
C.
The author believes it is useless to change the communication method.
D.
The author can accept the change but insist on the traditional way.
【简答题】What’s the author’s impression of Alaska?
【单选题】下列关于MySQL备份与恢复的叙述中,错误的是
A.
备份与恢复总是能够将数据库从错误状态恢复到发生故障前的最新状态
B.
备份与恢复可以在出现计算机软、硬件故障的情况下,确保数据的正确性
C.
备份与恢复可以实现将数据库从一个服务器移动或复制到另一个服务器
D.
备份与恢复是数据库管理系统的主要功能之一
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