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My name is Lily. This week, I sit in the middle （中间） of the classroom. Feifei is in front of me. Xiaoyong is beside me. Lingling is beside me, too. Last week, I was in front of Feifei. Feifei was between Xiaoyong and Lingling.
1．Lily sits in the front of the classroom this week. （2．This week, Feifei is in front of Lily. （
3．Xiaoyong is beside Lily this week. （
4．Last week, Xiaoyong was in front of Lily. （
5．Lingling was beside Lily last week. （
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
