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One day Skygirl went to our classroom with Skyboy. She was very h________. She took a hamburger and a cola w________ her. She wanted to r________, to have some food and drink and t________ to boys and girls in the classroom. She was not happy when she saw the s________ in the classroom. What does the sign mean? It says: "Don't run in the classroom. Don't talk to each other in class. Don't ear or d________ in class. ""I don't want to be in the classroom. Let's f________ away. "The Supergirl said to the Superboy. They came to the Garden City. Garden City is an i________ place for the Superchildren to play.
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
