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Yesterday my mum went to the supermarket. She bought many things .She bought a new red T-shirt for me. She bought a pair of shorts for Daming. She bought a pair of trousers for Lingling. She bought a new bag for Sam. She bought a new cap for Simon. We were very happy. I love my mum very much!
( ) （1）Mum went to the supermarket yesterday.
( ) （2）Mum bought a new T-shirt for me.
( ) （3）Mum bought a pair of shorts for Sam.
( ) （4）Mum bought a new bag for Lingling.
( ) （5）Mum bought a new cap for Simon.
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
