比例 | 55% | 45% | 你的观点 |
观点 | 支持 | 反对 | |
主要理由 | 1. 应该每天进行体育锻炼比如做早操,但时间不要太长 2. 锻炼能增强质减少疾病 3. 锻炼能使大脑休息,使学习效率更高. | 1. 锻炼浪费时间 2. 锻炼使人疲劳 3. 锻炼以后很兴奋,较长时间不能学习 4. 锻炼中可能受伤 | ? |
2. 短文必须包含表格的全部内容。要求观点明确,结构合理,紧凑连贯。
Recently we have had a discussion about
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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

