【单选题】凯恩斯主义的总供给曲线成立的基本假设前提是()。
【单选题】如果总供给曲线属于凯恩斯主义的总供给曲线,那么总需求曲线的左移会导致( )。
【单选题】According to the passage,the author of the article may agree to which of the following statements?
A.
It is appropriate to send your invitation cards three or four days before a dinner party date in U.S.A.
B.
It may be appropriate to send your invitation to your guests three or four days before a dinner party date in some cultures.
C.
It is best for one to make telephone calls at night because it costs much less.
D.
If one is less than 5 minutes late,he has to make a short apology.
【单选题】( )是指以合成树脂为主要原料,加入或不加入添加剂,在一定温度、压力下,经混炼、塑化、成型,且在常温下保持制品形状不变的材料。
【单选题】()是指以合成树脂或天然树脂为主要原料,加入或不加入添加剂,在一定温度、压力下,经混合、冶炼、塑化、成型,且在常温下保持制品形状不变的材料。
【单选题】According to the text, Neutrinos are kinds of particles that ______.
A.
are numerous and stable.
B.
have no electric charge.
C.
are short-lived matter.
【单选题】凯恩斯主义的总供给曲线的理论基础为( )
【判断题】2亿五千万年前,大陆板块并没有一直联合在一起的。()
【判断题】凯恩斯主义的总供给曲线是向右上方倾斜的。