W: Good evening, Ted! Tell our listeners what you do, please.
M: Good evening! I help collect rubbish along the Zhou River with other members of our volunteer team.
W: That's great! 1.
M: As you see, the Zhou River is our mother river. It provides us with clear water. 2.
W: I agree with you. 3.
M: Um... 10 girls and 15 boys.
W: When do you do this work?
M: We live near the river. 4. and when we see the rubbish, we collect it.
W: 5.
M: Yeah, I think so.
A.In cities, pollution is mainly from factories. |
B.How many members do you have in the team? |
C.It's good for your health and the environment, isn't it? |
D.How did you come up with the idea? |
E.What about rubbish pollution? |
F.We don't want it to be polluted. |
G.After dinner every evening, we take a long walk along the side of the river |
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同类型试题
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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
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
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

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