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Time is Money
Someone says, “Time is money.” But I think time is more important than money. Why? Because when money is spent, we can make it again. However, when time is gone, it’ll never ___________. That is why we mustn’t waste time.
It goes without saying that the ___________ is usually limited. Even a second is very important; we should make full use of our time to do everything ___________.
But it is a pity that there are lots of people who do not know the importance of time. They spend their limited time smoking. ___________, and playing. They do not know that wasting time means wasting part of their own ___________.
In a word, we should save time. We shouldn’t leave today’s work for tomorrow.
Remember we have no time to lose.
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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
