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请仔细观察下面的图片，并根据所给提示和要求写一篇短文。
提示：（1）What are the man and the woman doing?
（2）What should you do when you see people litter like this? Why?
要求：（1）短文须包括所有提示内容，可适当发挥。
（2）短文中不要出现真实的地名、校名和人名。
（3）词数80个左右（开头已给出，不计入总词数）。
参考词汇：throw, environment, civilized(文明的
I can see a man and a woman in the picture. The man is_______________
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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
