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Hello, I’m Mike. Look at my classroom. It’s not big. But it is very clean and bright (明亮).There are twenty-three boys and twenty-five girls in our class. There’s a TV on the wall. It can help us learn. There are many desks and chairs. There’s a blackboard in front of the teacher’s desk. And there are three flags (旗) on the top of the blackboard. There are also many beautiful pictures on the wall. I like my classroom very much.
1．The classroom is _____________. ( )| A．clean and big | B．clean and bright | C．dark and bright |
| A．44 | B．46 | C．48 |
| A．a TV | B．many pictures | C．A and B |
| A．three flags | B．many pictures | C．a TV |
| A．doesn’t like | B．likes | C．is bored with |
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
