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Hi! My name is Li Mei. I have long black hair. I am short and thin. I am a quiet girl. I have a new schoolbag. It’s blue. What’s in it? A Chinese book, an English book, a maths book, three storybooks, three keys and some candies. I like my new schoolbag.
1．Li Mei is a quiet girl.2．Li Mei has short black hair.
3．Li Mei is tall and thin.
4．Li Mei has a new schoolbag.
5．Two storybooks are in Li Mei’s new schoolbag.
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
