搜索
It’s 10:00 am in the morning. I am walking in the park. There are many people in the park. There are many flowers and trees, too. Many birds are singing happily in the tree. How many birds? One, two, three… Oh, I can see twenty birds! There are four men under a big tree. They are playing cards.
There are five women are drinking tea and talking. Three girls are taking photos. I have fun in the park.
（ ）1. It’s nine o’clock in the morning.
（ ）2. I am in the zoo.
（ ）3. There are many people in the park.
（ ）4. I can see 20 birds in the tree.
（ ）5. There are four women are drinking tea.
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
