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Han Bin:
Su Nan: It’s
Han Bin: What do you do at 10:30 in the morning?
Su Nan:
Han Bin: What can you do?
Su Nan:
Han Bin: Wow!
Su Nan: What can you do at home?
Han Bin: I can make the bed.
Su Nan: You are helpful, too.
Han Bin: Let’s help grandpa to water the flowers afternoon.
Su Nan: OK. See you afternoon.
Han Bin: See you.
| A．You are very helpful |
| B．half past ten |
| C．What time is it |
| D．I often help my mother do housework |
| E．I can make the bed, sweep the floor and clean the table |
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
