
A: Hey, Li Ming! Good to see you here!
B:Hi,Wei Fang.I just took a nucleic acid test(核酸检测) over there.
A: We should. It’s the best way to fight against the COVID-19.
B: I agree. While our country is fighting the COVID-19, our life has changed greatly in the past three years.
A: Right. We can see people wear masks(口罩)
B: Yes, at first, we were not sure if masks really
A: I think it’s a simple but useful way.
B: I can’t agree more. In China, people wear masks quite often in daily life, like taking the subway to work or visiting friends in the hospital. It can protect not only ourselves but also others.
A: That’s right. But do you know people in the West think quite
B: What do they think of wearing masks?
A: Well, they think that if one is already ill, wearing a mask is
B: Very funny. Why is there such a big difference between China and the West?
A: I guess it’s
B: I understand now. Culture plays an important role in one’s
A: That’s it. We would agree that wearing a mask and washing hands often should become the habits of ours in the daily life,
B: That’s for sure. I believe as long as we work
A: Yes. Just as the saying goes, where there is a will, there is a way.

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

