(1)A.No smoking B.No parking C.No littering
(2)A.his body B.everybody C.nobody
(3)A.on the 28thof September
B.on the 18thof September
C.on the 8thof September
(4)A.in the desk B.on the TV C.behind the TV
(5)A.watered the tree B.stayed with his friend C.pulled up carrots
(6)A.Jack B.Jack’s parents C.Jack’s friends
(7)A.get off B.turn off C.take off
(8)A.my B.mine C.me
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同类型试题
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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
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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
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