1、（）is an open , distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.

A、Internet of things

B、Blockchain

C、Edge computing

D、Artificial intelligence

信管網(wǎng)解析：

（）是一個(gè)開(kāi)放的、分布式的分類賬，可以高效、可核查和永久地記錄雙方之間的交易。

A、物聯(lián)網(wǎng)

B、塊鏈

C、邊緣計(jì)算

D、人工智能

信管網(wǎng)參考答案：B

2、（）are those costs that cannot be directly traced to a specific project and therefore will be accumulated and allocated equitably over multiple projects by some approved and documented accounting procedure.

A、Direct costs

B、Operation costs

C、Indirect costs

D、Implement costs

信管網(wǎng)解析：

（）這些費(fèi)用是否無(wú)法直接追溯到某一具體項(xiàng)目，因此將由某些經(jīng)核準(zhǔn)和有文件記錄的會(huì)計(jì)程序在多個(gè)項(xiàng)目中加以累積和公平分配。

A、直接費(fèi)用

B、業(yè)務(wù)費(fèi)用

C、間接費(fèi)用

D、執(zhí)行成本

信管網(wǎng)參考答案：C