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I have a pen friend. Her name is Mary. She comes from America. She is in China with her parents. She can speak a little Chinese. She studies in No.1 Middle School in Chengdu. She is a good student. She goes to school from Monday to Friday. She likes getting up early. She doesn’t like to be late. She often goes to school early. But today she gets up late. She gets to the classroom at 7:30 am. But there aren’t any students in it. She is not late. It’s Saturday today. The students are all at home.
1．Mary and her family live in2．Mary can speak some
3．Mary is a
4．Mary doesn’t go to school on
5．Mary often gets up
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
