搜索
Do you know what a 雪人 ______, Li Ming? Sure! We make 雪人 _______ in China! First we make a big ball of 雪 _______ . Then we make another 雪球 _______. We put the small one on top. Let’s make a 脸______ on the雪球______. This胡萝卜 ______ is his 鼻子______. I have some little石子______ for his嘴巴_______and眼睛 _______. I have two木棍______for his 胳膊_______.
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
