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It’s Parents’ Day today. Sam’s parents are going to speak to his teacher. Sam is a good boy. He is very clever. He isn’t naughty in class and he isn’t lazy. He works hard at school. Ms Smart is his teacher. She is very happy with his work.
1．Today is Parents’ Day. （_____）2．Daming’s parents are going to speak to his teacher. （_____）
3．Sam is naughty in class. （_____）
4．Sam is a clever boy. （_____）
5．Sam works very hard. （_____）
6．Ms Smart is sad with Sam’s work. （_____）
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
