Cathy: Hi, Carl! 1.
Carl: OK! Wow! 2.
Cathy: He is watering flowers.
Carl: Is that his hobby?
Cathy: Yes.
Carl: Is the woman your mother?
Cathy: No, she is my aunt.
Carl: 3.
Cathy: She is cooking. She likes cooking.
Carl: 4.
Cathy: Look here! This is my mum.
Carl: And what's your mum interested in?
Cathy: 5. Look! She is painting a picture.
Carl: She is excellent!
A.That's interesting! |
B.She is interested in painting. |
C.What's your grandpa doing? |
D.Let's look at my family photos! |
E.What is she doing? |
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