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B: Good morning, Mike.
A: What time is it now?
B: It’s eight o’ clock.
A: It’s time for class. Hurry up!
B: Oh, I’m late.
…
B: I’m sorry, Mr Green.
C: Come in. Don’t be late for class again.
B: Sorry, I won’t, Mr Green.
1．It is in the afternoon.
2．It’s time for class.
3．Mike is late for class.
4．Mr Green is a teacher (教师).
5．Jim and Mr Green are in the teacher’s office (办公室).
6．It’s eight o’clock in the evening.
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
