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【多选题】
与传统跨境结算相比,区块链的价值主要在 ( ) 等三个方面。A.
安全性高
B.
结算速度
C.
透明度
D.
成本
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反馈参考答案：
举一反三
【简答题】流体的流量、 压力等参数均可用( )来调节或控制。
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
She prefers the artists she has studied.
B.
She hopes they will take some of the paintings away.
C.
She hasn't gone to see the exhibit yet.
D.
She doesn't want to describe the exhibit.
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
3 hours.
B.
Three hours and twenty minutes.
C.
Twenty minutes.
D.
Two hours and forty minutes.
【单选题】在MCS-51单片机中,定时器T1有( )种工作模式。
A.
1
B.
2
C.
3
D.
4 【参考答案】在MCS-51单片机中，定时器T1只能工作在方式0、1、2，不能工作在方式3。因此定时器T1只有3种工作模式。
【简答题】当T0工作在方式3时,将T0分为两个独立的 位定时/计数器,此时T1的功能受到了限制,只能作为不需要中断功能的 发生器使用
【单选题】Talks and Conversations Directions: In this part of the test, you will hear several short talks and conversations. After each of these, you will hear a few questions. Listen carefully because you will...
A.
The effect of the atmosphere on rainfall.
B.
How conditions on Earth support life.
C.
How water originated on Earth.
D.
A new estimate of the age of Earth.
【单选题】某研究所中存在许多不同的非正式群体,并因为需求不同而发生冲突,以致影响组织的发展。作为该研究所所长,你认为应该采取的措施是( )。
A.
尽力满足各个非正式群体的不同需求
B.
引导非正式群体的活动
C.
协调各个非正式群体的分歧
D.
禁止非正式群体的活动
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