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Today is Tom's birthday. He's ten now. Look! There are some things on the desk. There are some apples, bananas and oranges. There is also some soup. There is a boy on the chair. He's Tom's brother. His name is Tim. Tim is eating some sweets. There is a present on the bed. It's from Mum and Dad. They are going to have a birthday party. They're so happy.
1．Tom is 9.2．We can see lots of things on the desk.
3．There is no soup.
4．Tim is Tom's brother.
5．There are four people in their family.
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
