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Robin: You should
Student2: I want to be a ping-pong player one day.
Robin: You should
Student3: I feel very tired today.
Robin: You should
Student4: I’m new here in the school.
Robin: You should
Student5: I can’t speak English well.
Robin: You should
| A．go to bed early and have a good rest |
| B．get some boxes to put things in |
| C．read more and practise more |
| D．join in the PE club and do more exercises |
| E．make friends and play with them |
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
