搜索
Li Ming has got a good friend. His name is Peter. He is from the US. Li Ming and Peter are in the same class. They go to school together from Monday to Friday. Peter likes China and Chinese food. He likes rice very much. They often play football after school.
Li Ming and Peter like making things. Now they are making a kite. They like flying kites on Sunday morning. Peter can speak English and a little Chinese. Li Ming can speak Chinese and English very well. They teach each other.
1．Li Ming has got an American friend.2．Li Ming and Peter go to school from Monday to Friday.
3．Li Ming and Peter often fly kites on Monday morning.
4．Li Ming and Peter teach each other.
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
