B2C（也有写成 BTC，是Business-to-Customer的缩写)“商对客”是电子商务的一种模式，也就是通常说的直接面向消费者销售产品和服务商业零售模式。（)

A.EOS

B.Fabric

C.BTC

D.Ethereum

What has Walmart done to reconfigure its DNA as profit seeker？

A．It has followed the business model of undercutting its competitors.

B．It asks its suppliers to reduce packaging to be environment-friendly.

C．It has become the poster child of corporate ruthlessness.

D．It has given more shelf space and better placement to light bulbs.

A.奥本聪

B.中本聪

C.李笑来

D.索罗斯

The phrase "hits the jackpot" (Line 6, Para. 4) probably means"______".

A．get out of business suddenly

B．be discovered accidentally by foresighted businessman

C．make a lot of money unexpectedly

D．prove to be very useful in daily life by chance

A public “scribe” (Para. 2, Line 1) is ________.

A) a secretary who does your business or social writing

B) a machine that does writing for you

C) a public school where writing is taught

D) a person who ears a living by writing for others

A.BTC

B.NodeB

C.eNodeB

D.gNB

A.确认

B.奖励

C.难度调整

D.交易

A.支付手段一比特币(BTC)、莱特币(LTC)、门罗币(XMC)等

B.智能合约一以太坊(ETH)、柚子(EOS)、蚂蚁币(NEO)等

C.金融服务一瑞波币(XRP)、恒星币(XLM)、嫩模币(OMG)等

D.物联网一IOST,以太经典(ETC)等

E.稳定币一泰达币(USDT)、TUSD等