A.






1.A: Look! Lisa. I’m short and fat.
B: Ha, ha. I’m short and fat, too.
A: We look like twins!
2.A: What’s eight and nine?
B: It’s seventeen.
A: Very good!
3.A: Can I look at the orange vest and the red skirt?
B: Here you are.
A: Thanks.
4.A: What does your father do?
B: Guess!
A: Is he a postman.
B: No, he’s a farmer.
5.A: Hi, Kate. What’s this in English?
B: It’s a watermelon.
6.A: It’s sunny today. Put on your hat, please.
B: Thanks, Mum.

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

