下列哪个比例是原值比例?()
A. 2:1
B. 1:1
C. 1:5
D. 10:1
下列哪个比例是缩小比例?()
A. 1:1
B. 1:2
C. 2:1
D. 5:1
下列哪个比例是放大比例?()
A. 1:1
B. 1:2
C. 2:1
D. 1:5
Are the following statements true or false according to the passage? Write T / F accordingly.1. If you are two hours late for a Brazilian party, you don’t have to worry about it.
A. 对
B. 错