题目内容

智能合约作为存储于区块链上的一段代码,可在用户调用下执行相关操作并改变区块链网络中的用户状态。()

A. 对
B. 错

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Parts of my childhood are so ______ to me that they could be memories of yesterday.

A. tedious
B. vivid
C. formal
D. severe

As a sailing ship has a ______, so we must have a definite goal in our life.

A. reference
B. sequence
C. destination
D. reunion

Jane’s worried she won’t be able to ______ her paper on time.

A. take hold
B. turn in
C. hold back
D. face up to

If you look out of the window on the left side of the bus, you’ll see that we’re now ______ the Tower of London.

A. approaching
B. abandoning
C. acquiring
D. assessing

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