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It is four o’clock in the afternoon. The students are in the classroom. What are they doing? Bobo isreading a picture book with John. Coco is sweeping the floor. Lucy is cleaning the blackboard. Cathy is doing her homework. Emma is helping her. Miss Zhang is their teacher. She is in the classroom too. What is she doing? She is talking with Jack.
1．The students are in the ________.( )| A．playground | B．library | C．classroom |
| A．Bobo and John | B．Bobo and Coco | C．Coco and John |
| A．sweeping the floor | B．cleaning the blackboard | C．doing her homework |
| A．Jack | B．Coco | C．Cathy |
| A．Miss Zhang is a teacher. |
| B．Miss Zhang is in the classroom. |
| C．Miss Zhang is talking with Mike. |
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
