A: Hey, David. What TV shows are you watching these days?
B: Hi, Jim. I’m interested in news these days. I like to know what’s
A: Well, a lot of things caught our attention. Many people are talking about the war between Israel and Palestine (巴以战争).
B: Yeah. The war is now a hot topic. I feel sad to see so many people die or lose their homes. And what makes me even
A: I
B: I agree. In an interview, a boy in Palestine told a reporter that the kids like him had
B: In fact, a lot of people in the world are helping them in their own ways, but it’s not easy.
A: I’m
B: It’s complicated (复杂). There are many reasons, such as religions (宗教), history, culture and so on.
A: How lucky we are to live in China. China is one of the
B: I want to be a scientist working on chemistry.
A: Hope our dreams can come

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

