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A．sweater
B．board
C．medicine
D．dentist
E．hall
F．cap
(1) He often checks (检查) people’s teeth. When you have a toothache, he can help you. He’s a ______.
(2) It’s a kind of clothes. It’s warm and soft. We usually wear it in autumn and winter. It’s a ______.
(3) When you’re ill, doctors will give you something. It can help you get well soon. It’s ______.
(4) It’s big and tall. You can see it in many schools. Students usually have parties or meetings there. It’s a ______.
(5) It’s for your head. It can help you keep the sun off. It’s ______.
(6) People always put it on the wall or near a gate. People usually put some projects or pictures on it. It’s a ______.
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
