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[[QOrDeR]]We ______________ shout in class.
【小题2】All the students ______________ know the Earth is our home.
【小题3】You __________ reuse these paper to make a box.
【小题4】You ___________ smoke in the restaurant.
【小题5】We ________ protect our Earth together.
【小题6】People _________ cut down too many trees.
【小题7】Sam _________ put rubbish in the bin.
【小题8】We _________ drive so much because cars use a lot of eneygy.
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
