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In my classroom, I have three good friends. They are Amy, Anna and Xiao Wen. Amy is a pretty girl. She likes swimming. She usually swims in the afternoon. Anna has long straight hair. She can run fast. She is a good player. Xiao Wen has a smiling face. She always does her homework in the evening. She is a good student.
1．I have four good friends in my class. （
2．Amy can run fast. （
3．Xiao Wen always does her housework in the evening. （
4．Xiao Wen is a good student. （
5．Anna usually swims in the afternoon. （
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
