【多选题】关于人民幸福的描述错误的是( )。
E.
人民可以共同享有同祖国和时代一起成长与进步的机会
【简答题】连续周期信号的频谱特点有:()、谐波性和()
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 10% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed ...
A.
an ambiguous change; a decrease; an increase
B.
an ambiguous change; an increase; a decrease
C.
an increase; a decrease; an increase
D.
an ambiguous change; an ambiguous change; an ambiguous change
E.
a decrease; an ambiguous change; an ambiguous change
【多选题】关于人民幸福的描述错误的是( )。
E.
人民可以共同享有同祖国和时代一起成长与进步的机会
【判断题】安全气囊面罩取下后,放置时,应该正面朝下。
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 10% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed ...
A.
an ambiguous change; an increase; a decrease
B.
a decrease; an ambiguous change; an ambiguous change
C.
an ambiguous change; an ambiguous change; an ambiguous change
D.
an ambiguous change; a decrease; an increase
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 1% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
an ambiguous change; an increase; a decrease
B.
an ambiguous change; a decrease; an increase
C.
an ambiguous change; an ambiguous change; an ambiguous change
D.
a decrease; an ambiguous change; an ambiguous change
E.
an increase; a decrease; an increase
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 5% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
a decrease; an increase; an increase
B.
a decrease; a decrease; a decrease
C.
no change; no change; no change
D.
an increase; a decrease; a decrease
【简答题】1250÷25÷5=1250÷(25÷5).______(判断对错)
【简答题】1250÷(25×5)=1250÷25×5.______.(判断对错)