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One Wednesday morning, Robin gets up very late.
"Because I get up late."
"Why don't you go to bed
"Because the TV play is wonderful." Robin answers.
"Now, please
"I'm sorry, I don't do it." Robin says.
"Why don't you do it?" asks the teacher.
"Because the homework is
| A．What | B．When | C．If | D．Because |
| A．Why | B．When | C．How | D．What |
| A．late | B．early | C．quickly | D．well |
| A．take | B．carry | C．give | D．make |
| A．little | B．not | C．much | D．too |
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
