搜索
Li Ming and his friends go to his uncle’s home. Li Ming’s uncle lives on a farm near Nanjing. It’s a beautiful and big farm. Li Ming’s uncle shows them a lot of photos about his farm at first. There are many cows, chickens, ducks and fruit trees on the farm. Li Ming and his friends pick a lot of pears, apples and oranges. It is very hot. But the boys still have a good time on the farm.
1．Li Ming and his parents go to his uncle’s home.2．Li Ming’s uncle lives in Nanjing.
3．The farm is beautiful and big.
4．There were many cows, chickens, ducks and fruit trees on the farm.
5．They are very happy.
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
