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I have a new friend. Her name is Chen Jie. Her family has three people. Her parents are teachers. They are tall and thin. Chen Jie is tall and thin, too. She has big eyes and small ears. She has three storybooks, a Chinese book, a maths book, some candies, a toy panda and some rulers in her schoolbag. Her bag is so heavy.
1．My new friend is a boy.2．Chen Jie’s family has three people.
3．Chen Jie is tall and strong.
4．Chen Jie has big eyes and big ears.
5．Chen Jie has five books in her 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
