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We are students of Yuying Primary School（小学）. In our school, there are many teachers and students. There are twenty-six girls and twenty-four boys in our class. Our classroom is big. There are six windows and two doors. The walls（墙）are white. There are two pictures on the wall. A big blackboard is in the front of the classroom. Our desks and chairs are new. Our classroom is very nice. I like it very much.
1．We are students of ________. ( )| A．Yuying Primary School | B．No. 3 Middle School |
| A．in the classroom | B．in our school |
| A．forty | B．fifty |
| A．six; two | B．four; one |
| A．not good | B．nice |
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
