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【判断题】
离散信号的傅立叶变换满足线性性质A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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【多选题】Which safety rules are expected to abide by if there is a fire?
A.
If a fire occurs in your home, GET OUT, STAY OUT and CALL FOR HELP. Never go back inside for anything or anyone.
B.
If closed doors or handles are warm or smoke blocks your primary escape route, use your second way out.
C.
If your clothes are on fire; Stop, Drop, and Roll until the fire is out. Shout for help, but don't run.
D.
If you live in a building, use elevators. Leave all your things where they are and save yourself.
【单选题】It can be inferred from the passage that______.
A.
fire safety lessons should be aimed at American adults
B.
American children have not received enough education of fire safety lesson
C.
Japan is better equipped with fire facilities than the United States
D.
America's large population accounts for hight fire frequency
【单选题】What is this passage about?
A.
A fire warning.
B.
The new national fire safety campaign.
C.
The fire prevention handbook.
D.
Domestic fire safety.
【简答题】Fire safety in family houses,_______ most fire deaths occur,is different to achieve. A．where B．which C．to which D．from what
【单选题】It can be inferred from the passage that______.
A.
fire safety lessons should be aimed at American adults
B.
American children have not received enough education of fire safety lessons
C.
Japan is better equipped with fire facilities than the Untied States
D.
America's large population accounts for high fire frequency
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