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1．事实上，这里的空气污染变得越来越严重了。
_________, the air pollution here is getting more and more serious.
2．在很多领域，人们都广泛使用计算机.
Computers _________ widely ________ in many areas.
3．我们应该向那些勤奋的同学学习。
We should _________ the hard-working students.
4．在班会上，在家都同意了我的看法。
Everyone _________ me at the class meeting.
5．我们必须在明天八点前到达火车站。
We must _________ the train station before 8:00 tomorrow morning.
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
