Which of the following statements is correct? ( )
A: All items that are included in M1 are included also in M2.
B: All items that are included in M2 are included also in M1.
C: Credit cards are included in both M1 and M2.
D: Savings deposits are included in both M1 and M2.
A: All items that are included in M1 are included also in M2.
B: All items that are included in M2 are included also in M1.
C: Credit cards are included in both M1 and M2.
D: Savings deposits are included in both M1 and M2.
举一反三
- Credit cards () A: are<br/>included in M1 but not M2. B: are<br/>included in M1 and M2. C: are<br/>included in M2 but not M1 D: are<br/>not included in any measure of the money supply.
- Credit cards ( ) A: represent the largest component of M1. B: are not included in M1 but are included in M2. C: are a form of money unique to the U.S. D: are not considered money.
- Credit cards are a A: store of value. B: method of deferring payments. C: medium of exchange included in both M1 and M2. D: All of the above are correct.
- 标准斜齿圆柱齿轮的正确啮合条件是()。 A: m1=m2=m, B: α1=α2=α C: m1=m2=m,α1=α2=α D: mn1=mn2=m,αn1=αn2=αβ1=-β2
- 标准斜齿圆柱齿轮外啮合的正确啮合条件是()。 A: m1=m2=mn,α1=α2=αn,β1=－β2 B: m1=m2=m ,α1=α2=α,h1=h2 C: m1=m2=mn,α1=α2=αn,β1=β2 D: m1=m2=m ,α1=α2=α,β1=β2