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1. 我们不应该砍伐太多的树。
We _______ ________ _________ too many trees.
2. 太多的塑料对地球有害。
_______ __________ plastic is _________ for the ___________.
3.我们应该节约能源,不能浪费。
We should__________ _________，and we can’t _________ it.
4.树有助于空气清新,我们应该保护它们。Trees can ___________keep the air __________，and we should ________ them.
5.海报准备好了，让我们把它放在校门口。The poster is __________ , and ___________ put it at the school __________.
6.我们用木头制成桌子。We ________ _______ _______ _______ tables.
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
