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【单选题】
高速重载齿轮传动中,当散热条件不良时,齿轮的主要失效形式是
A.
轮齿疲劳折断
B.
齿面疲劳点蚀
C.
齿面磨损
D.
齿面胶合
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参考答案:
举一反三
【简答题】Direction: Read the article "Is Christmas Celebrated in China" carefully, and then give proper definition to the red words in the article. Pay attention to speech of the words. (注明单词的词性) exchange
【判断题】CIF报价,必须包含运费和保险
A.
正确
B.
错误
【判断题】2,2,3,3-四甲基丁烷分子中只有伯氢分子
A.
正确
B.
错误
【简答题】Direction: Read the article "Is Christmas Celebrated in China" carefully, and then give proper definition to the red words in the article. Pay attention to speech of the words. (注明单词的词性) variety
【单选题】( )是决定世界市场价格的基础
A.
政策
B.
供求关系
C.
竞争
D.
国际价值
【单选题】哪个命令可以允许198.168.0.0/24访问Samba服务器( ) 。
A.
hostsenable=198.168.0.0/24
B.
hostsallow=198.168.0.0/255.255.255.0
C.
hostsaccept=198.168.0.0/24
D.
hostsaccept=198.168.0.255
【单选题】哪个命令可以允许 198.168.0.0/24 访问 Samba 服务器?( )
A.
hosts enable = 198.168.0. 0/24
B.
hosts allow = 198.168.0.0/24
C.
hosts accept = 198.168.0.
D.
hosts accept = 198.168.0.0/24
【单选题】哪个命令可以允许198.168.0.0/24访问Samba服务器?( )
A.
hosts enable = 198.168.0.
B.
hosts allow = 198.168.0.
C.
hosts accept = 198.168.0.
D.
hosts accept = 198.168.0.0/24
【单选题】The oldest man had just celebrated his hundredth birthday and the reporter of a local paper called on him for an interview.Having congratulated the old man,the reporter asked a few questions. "To what...
A.
he had bad habits
B.
he smoke too much
C.
he did not keep his good habit long enough
D.
he drank too much wine
【单选题】()命令可以允许198.168.0.0/24访问Samba服务器
A.
hosts enable=198.168.0
B.
hosts allow =198.168.0
C.
hosts accept=198.168.0
D.
hosts accept=198.168.0.0/24
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