Hello, boys and girls! I'm Lingling. I had a nice holiday. I went to Hangzhou with my father and mother. And we went there by train. We visited the famous West Lake. We saw lots of interesting things there. But I didn't see my friend Fangfang in Hangzhou. She was on holiday in Shanghai.
1.Lingling had a nice holiday. (2.She went to Hangzhou with her grandfather and grandmother. (
3.They saw lots of interesting things in Hangzhou. (
4.She saw her friend Fangfang in Hangzhou. (
5.Fangfang was on holiday in Suzhou. (

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

