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【单选题】
3DES在DES的基础上，使用两个56位的密钥K1和K2，发送K1加密，K2解密，再用K1加密。接受K1解密，K2加密，再用K1解密，这相当于使用(3)倍于DES的密钥长度的加密效果。
A.
1
B.
2
C.
3
D.
6
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【单选题】当发布Web应用程序时,通常把Web应用程序的目录及文件放到Tomcat的( )目录下。
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B.
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D.
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【单选题】当发布 Web 应用程序时,通常把 Web 应用程序的目录及文件放到 Tomcat 的( )目录下。
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【单选题】In some languages like ______, pitch variations are meaning distinctive. Therefore they are called tone languages.
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B.
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D.
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【简答题】In Chinese tone changes affect the meanings of individual words. Languages like Chinese are known as _________ languages . prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
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a shorter
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D.
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Spanish
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D.
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【单选题】Linguists have found that sign languages and spoken languages share many features. Like spoken languages, which use units of sounds to produce words, sign languages use units of form. These units are ...
A.
Linguists have found that sign languages and spoken languages differ from each other in many features.
B.
Like spoken languages, which use units of form. to produce words, sign languages use units of sounds.
C.
Separately, b, e, and t have a meaning and together they form. the word bet.
D.
Spoken languages contain units of form. that by themselves hold no meaning, but when combined create a word.
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【判断题】Languages are like living creatures in that they become endangered when numbers increase.
A.
正确
B.
错误
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【判断题】In tone languages like Chinese, meaning variation due to tone changes is especially true.
A.
正确
B.
错误
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【单选题】当发布Web应用程序时,通常把Web应用程序的目录及文件放到Tomcat的( )目录下。
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【单选题】当发布 Web 应用程序时,通常把 Web 应用程序的目录及文件放到 Tomcat 的( )目录下。
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【判断题】Languages are like living creatures in that they become endangered when numbers increase.
A.
正确
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【判断题】In tone languages like Chinese, meaning variation due to tone changes is especially true.
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查看完整题目与答案