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I am Mike. Look! This is my new classroom. There are twenty desks and nineteen chairs. The teacher's desk is big and the students' desks are small. We have two new blackboards and six new lights. There are some flowers on the big desk. A computer is on the big desk, too. Some books are on the small desks. The students are not in the classroom.
1．Mike's classroom is _________. ( )| A．new | B．small | C．old |
| A．19 | B．20 | C．18 |
| A．small | B．big | C．long |
| A．1 | B．2 | C．3 |
| A．table | B．teacher's desk | C．students' desks |
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
