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Sunday, September 27th
Today I went to see my pen friend in Xi’an. We had talk for a long time. How happy we were! He’s from Beijing. His name is Li Qiang. He came to visit Xi’an two days ago. He’s interested in reading, playing basketball and making pen friends. He also wants to learn Kungfu. He can Visit Beijing one day.
( ) (1) Li Qing is from Xi’an.
( ) (2) Li Qing is my pen friend.
( ) (3) I’m interested in playing basketball.
( ) (4) Li Qiang came to Xi’an yesterday.
( ) 5. Li Qiang is interested in kung fu.
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
