Hi! My name is Li Ping. I'm a girl. I'm twelve years old. I study in a primary school. But I'll go to a middle school soon, because I'm in Grade Six. I'm very excited, because I can meet many new teachers and classmates. But I'm sad, too. I must say goodbye to my teachers and friends in my primary school. We are going to different schools. I will miss them. I won't forget them. We are friends forever.
1.Li Ping is2.Li Ping will go to a
3.Li Ping is very
4.She must say
5.Li Ping and her classmates are going to
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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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