皮皮学，免费搜题
登录
搜题
【单选题】
Merkle树(哈希树)是区块链的重要数据结构,能够提供区块链数据的溯源和定位功能,其每个 中间节点的内容是( )。A.
两个孩子节点内容的哈希值
B.
两个父节点内容的哈希值
C.
根节点内容的哈希值
D.
相邻中间节点内容的哈希值
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What does the author say about the effect of nicotine on smokers?
A.
It threatens their health.
B.
It heightens their spirits.
C.
It suppresses their appetite.
D.
It slows down their metabolism.
【单选题】What does “effect” mean?
A.
Why things happen
B.
What happens as a result
C.
How things happen
【简答题】What does the author say about the effect of nicotine on smokers? A) it threatens their health B) it heightens their spirits C) it suppresses their appetite D) it slows down their metabolism
【单选题】--what effect does the medicine have the blood pressure ? --- well ,it depends how much you take .
A.
with ;on
B.
with ; to
C.
on ; on
D.
on ; to
【简答题】What does it effect?
【单选题】What effect does dry air have on a tropical cyclone? 查看材料
A.
Strengthening the power.
B.
Reducing its power，
C.
Having no effect at all.
D.
Transforming it into other things.
相关题目：