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I have a big family. They are my father, mother, sister and I. We love each other very much. We like to do different things. My father often watches TV after work. My mother always cooks delicious food for us. Sometimes I help my mother do the housework. My sister is a student. She always studies hard at school. We sometimes go for a walk after supper. I have a happy family.
1．My mother always cooks delicious food for us. （2．My father never watches TV after work. （
3．My sister always helps my mother do the housework. （
4．There are four people in my family. （
5．I have a small and happy family. （
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
