2025年区块链技术英语写作能力测试试卷.docxVIP

2025年区块链技术英语写作能力测试试卷

考试时间：______分钟总分：______分姓名：______

一、选择题（本大题共20小题，每小题1分，共20分。在每小题列出的四个选项中，只有一项是最符合题目要求的，请将正确选项的字母填在题后的括号内。）

1.Whichofthefollowingstatementsbestdescribestheconceptofblockchaintechnology?

A.Itisacentralizeddatabasemanagedbyasingleauthority.

B.Itisadecentralizeddigitalledgerthatrecordstransactionsacrossmultiplecomputers.

C.Itisacryptographicalgorithmusedtosecuredata.

D.Itisapeer-to-peerfile-sharingnetwork.

2.Whatistheprimarypurposeofablockchainnetwork?

A.Toprovideaplatformforonlinegaming.

B.Toenablesecureandtransparenttransactions.

C.Tostorepersonalphotos.

D.Tofacilitateemailcommunication.

3.Howdoesblockchainensurethesecurityofdata?

A.Byusingasinglepasswordtoencryptalldata.

B.Throughtheuseofcryptographichashesandconsensusmechanisms.

C.Bystoringdatainasinglelocation.

D.Byregularlyupdatingsoftwarepatches.

4.Whichofthefollowingisacharacteristicofblockchaintechnology?

A.Centralizedcontrol.

B.Hightransactionfees.

C.Decentralizationandimmutability.

D.Limitedscalability.

5.Whatisasmartcontract?

A.Alegalagreementbetweentwoparties.

B.Aself-executingcontractwiththetermsdirectlywrittenintocode.

C.Atraditionalcontractreviewedbyalawyer.

D.Acontractthatcanonlybeexecutedinperson.

6.Howdoesblockchaintechnologyhelpinpreventingfraud?

A.Byusingasinglepointoffailure.

B.Throughthetransparencyandimmutabilityoftheledger.

C.Byrequiringallpartiestosignacontract.

D.Bylimitingthenumberofparticipants.

7.Whatistheroleofaminerinablockchainnetwork?

A.Tominefornewcoins.

B.Tovalidatetransactionsandaddnewblockstothechain.

C.Todesigntheblockchainnetwork.

D.Tomanagethenetworksservers.