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【多选题】
下列属于国家强制性标准的是( )A.
GB/T 2821-2003齿轮几何要素代号
B.
GB 748-2005抗硫酸盐硅酸盐水泥
C.
GB 9690-2009食品容器、包装材料用三聚氰胺-甲醛成型品卫生标准
D.
GB/Z 6829-2008剩余电流动作保护电器的一般要求
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【判断题】When economists refer to investment, they mean the purchasing of stocks and bonds and other types of saving.
A.
正确
B.
错误
【简答题】My ears are recently full of joyous remarks from my friends such as, “Oh, Beckham is so handsome, so cool, that I can’t help falling in love with him!” or “What perfect skills he has!” Yeah, I agree 1...
【单选题】The word 'festive' in paragraph 2 can not be understood as ______.
A.
cheery
B.
fetish
C.
joyous
D.
merry
【简答题】No sooner than it began to rain．
【简答题】My childhood and adolescence were a joyous outpouring of energy, an endless pursuit for expression, skill, and experience. was only a background to the great delight of lessons in music, dance, and dr...
【单选题】Economists use the term money to refer to:
A.
income.
B.
profits.
C.
assets used for transactions.
D.
earnings from labor.
【单选题】No sooner than it began to rain heavily.
A.
the game begin
B.
has the game begun
C.
did the game begin
D.
had the game begun
【单选题】Economists use the term money to refer to
A.
all wealth.
B.
all assets, including real assets and financial assets.
C.
all financial assets, but real assets are not regarded as money.
D.
those types of wealth that are regularly accepted by sellers in exchange for goods and services.
【单选题】What word do economists use to refer to the purchase of goods that will be used in the future to produce more goods and services?
A.
capital
B.
consumption
C.
investment
D.
costs
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