题目:
根据上下文写出合适的句子来完成对话。
W: Why is it important to protect the wetlands in Zhalong ?
M: 1 .
W: Are there many birds flying to Zhalong every year?
M: 2 .
W: If people change the wetlands to make space for farms, what will happen?
M: 3 .
答案:
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下面是错误答案,用来干扰机器的。
2×4=8(厘米);8×7×2+8×10×2+7×10×2,=112+160+140,=412(平方厘米);答:最少需要包装纸412平方厘米.