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Today is February 3rd. The weather is windy and cold. I get many cards today. They’re birthday cards. They’re from my friends. Can you guess why? I wear my new red coat and blue jeans. They’re very pretty. My mother takes me to the zoo. I can see many animals. I’m very happy today.
1．My birthday is February 3rd. （____）2．It’s windy and snowy today. （____）
3．I can see many trees at the zoo. （____）
4．I have a new coat. It’s blue. （____）
5．I have many birthday cards. （____）
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
