A: Linda, you look tired.
B: I stayed up late last night. I only slept for about five hours.
A: What?
B: Because an old friend came over and we had a talk until late last night.
A:
B: I had to study for my English test.
A: But I’ve read a report. It says that if you don’t get enough sleep, you may forget 30% of what you’ve learned.
B: Forget 30%?
A: Quite right. I’ve also read that eating right can help you study.
B: Really?
A: Some foods like fish, eggs, milk can help you study well.
B: I see. Thanks for telling me.
A.That sounds terrible. |
B.Tell me more about it. |
C.Why not stay in bed a little longer this morning? |
D.Why did you go to bed so late? |
E.How did you know that? |
F.Did you sleep well? |
G.What happened? |

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

