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Class: Good morning, Miss An.
Miss An: Close the door, please, Liu Tao.
Liu Tao: Yes, Miss An.
Miss An: Don’t talk, Ann.
Ann: I’m sorry, Miss An. I can’t find (找不到) my rubber.
Miss An: Here is a white rubber. Is it your rubber?
Ann: No, my rubber is black.
Yang Ling: Look, there’s (有) a black rubber in your desk (书桌).
Ann: Yes, thank you.
Miss An: OK, please open your English book and read the new words (读新单词) now.
1．They (他们) are in class.
2．Miss An asked (要求) Liu Tao to close the window.
3．Ann’s rubber is blue.
4．Ann’s rubber is in the desk.
5．This is an English lesson(课).
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
