This is a key．（变成一般疑问句，并作否定回答）________ ________a key?No，________ ________．
This is a key．（变成一般疑问句，并作否定回答）
________ ________a key?
No，________ ________．
相关考题：
For relation R where primary key contains multiple attributes,no non-key attribute should be functionally dependent on a part of the primary key. This relation R is at least inA． 1NFB．2NFC．3NFD．BCNF
She wants to go to a movie．（改为一般疑问句，并作肯定回答）—________she________ ________ ________to a movie?—Yes， she________．
she explained to him that she ____ the key. A. forgetsB. forgetC. has forgottenD. had forgotten
In which cases is reference partitioning effective in enhancing performance?() A. It is effective only in partition pruning.B. It is effective only in partitionwise joins provided that the query predicates are different from the partitioning key.C. It is effective in both partition pruning as well as partitionwise joins provided that the query predicates are identical to the partitioning key.D. It is effective in both partition pruning as well as partitionwise joins irrespective of whether the query predicates are different from or identical to the partitioning key.
In a public-key cryptosystem,(71)encrypted with the public key can only be deciphered with the private key from the same(72). Conversely,(71)encrypted with the private key can be decrypted only with the public key. Users can make their public keys(73)available or place them at a key distribution center or others to access. However, the private key must be(74)safe. In public-key systems there's no(75)to find a safe channel for communicating a shared secret key.A．binarytextB．hypertextC．plaintextD．supertext
For relation where primary key contains multiple attributes, no non-key attribute should be functionally dependent on a part of primary key. This relation R is at least in(66).A．3NFB．2NFC．INFD．BCNF
A)句型转换.(15分)36． These are his apples．（改为一般疑问句，并作肯定回答）—______ ______his apples?—Yes，______ ______．
Could I borrow your car for a few days?（）AYes, you may borrow.BYes, go on.CSure, here is the key. Enjoy your journey.DIt doesn't matter.
Could I borrow your car for a few days?（）A、Yes, you may borrow.B、Yes, go on.C、Sure, here is the key. Enjoy your journey.D、It doesn't matter.
The DES algorithm is an example of what type of cryptography?DES算法是下面哪一个加密算法的一个样例？（）A、Secre tKey.秘密密钥B、Asymmetric Key.非对称密钥C、Two-key双密钥D、Public Key.公钥
下列关于汉语中“双重否定”的说法错误的是？（）A、分为两类句式B、双重否定具有疑问句的功能C、一般的双重否定句式，连用两个否定性词语造成D、特殊的双重否定句式，是由一个否定性词语和一个反语语气连用造成的
A customer purchases a virtual media key on a x3650 M3. They ask where to install the key. Which of the following provides the correct answer？（）A、Problem Determination and Service GuideB、xRefC、ServerGuide Hardware ReferenceD、COG
You have a computer that runs Windows 7. The Encrypting File System (EFS) key is compromised. Youneed to create a new EFS key. Which command should you run?（）A、Certutil -getkeyB、Cipher.exe /kC、Icacls.exe /rD、Syskey.exe
单选题The RSA algorithm is an example of what type of cryptography?RSA算法是下面哪种算法的典型例子？（）APrivate Key.私钥BSymmetric Key对称密钥CSecret Key秘密密钥DAsymmetric Key.非对称密钥
单选题Could I borrow your car for a few days?（）AYes, you may borrow.BYes, go on.CSure, here is the key. Enjoy your journey.DIt doesn't matter.
单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named named Dworks in the instance. The Dworks table has a table named BillDetails which has a clustered primary key named BillId on the BillId column. The BillDetails table has a single XML column named GoodsDetails. The XML column has an XML index and XML data are stored in this XML column. A new column named GoodsID is added to the BillDetails table. GoodsID must be included in the primary key. So what action should you perform to achieve this goal？（）AYou should drop the XML index on the table. Modify the primary key. Recreate the XML index BYou should alter the XML index and set the ALLOW_ROW_LOCKS = OFF option. Alter the primary key and set the ALLOW_ROW_LOCKS = ON option. CYou should move the XML data to a temporary table. Clear the XML data from the original table by setting the GoodsDetails column to NULL. Modify the primary key. Repopulate the ProductSpecs column. DYou should disable the XML index on the GoodsDetails column. Modify the primary key.Enable the XML index on the ProductSpecs column.
单选题He lost his key. It made him ______ in the cold to wait for his wife’s return.Ato stayBstayedCstaysDstay
多选题下列关于汉语中“双重否定”的说法正确的是（）。A一般的双重否定句式，连用两个否定性词语造成B双重否定具有疑问句的功能C特殊的双重否定句式，是由一个否定性词语和一个反语语气连用造成的D分为两类句式
多选题句子的语气类型一般分为（）。A陈述句B否定句C疑问句D祈使句E感叹句