亲爱的同学们,本学期即将结束,面对全球新冠疫情的严峻防控形势,你打算在寒假中怎样做既保证人身安全又能不断学习提高自己呢?快动笔写下来吧!
提示:1. 不要出现真实姓名,人名一律使用Amy, Lingling, Sam, Daming。
2. 涉及个人学习、卫生、外出、防护和作息等方面。
3. 40词左右,至少五个句子,用“手写印刷体”书写。
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
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