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| A. How many classrooms are there? B. What’s in your school? C. Do you have a gym? D. Do you have a library |
Lisa: Welcome to our school!
Tony: It’s so big.
Lisa: There is a music room, an art room and a hall.
Tony:
Lisa: Yes, of course! Let’s go and have a look.
Tony: Wow! There are so many books.
Lisa: No, but we have a big playground.
Tony: That’s cool!
Lisa: There are 30 classrooms.
Tony: Wow! It’s great!
Lisa’s school is very big.
There is a library in Lisa’s school.
Lisa's school doesn’t have a playground.
There are thirteen classrooms.
There isn’t a hall in Lisa’s school.
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
