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A. I bought them last week.
B. They began in 776 B.C. about 3000 years ago.
C. By taxi.
D. They walked or they rode horses.
E. They won 51 gold medals, 21 silver medals, and 28 bronze medals.
1．—How did your father go to work yesterday?
—________
2．—When did you buy the tickets?
—________
3．—How did people travel many, many years ago?
—________
4．—When did the ancient Olympic Games begin?
—________
5．—How many medals did Chinese sportsmen win?
—________
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
