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( )（1）When do you do morning exercises?
( )（2）I usually do morning exercises at 8：30.
( )（3）When do you play sports?
( )（4）I usually play sports at 3：30.
( )（5）When do you eat dinner?
( )（6）I eat dinner at 7：00 in the evening.
( )（7）When do you get up?
( )（8）I usually get up at 12：00 noon.
( )（9）What do you do on the weekend?
( )（10）I often go shopping.
( )（11）How about you?
( )（12）I often go hiking.
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
