(At home)
Mom: Happy birthday, Mary. Here’s 20 yuan. Buy something for yourself.
Mary: Thank you, Mom.
(At the store)
Mary: How much is the doll?
Shopkeeper: It’s 15 yuan.
Mary: How much is the watch?
Shopkeeper: It’s 20 yuan.
Mary: How much is the card(贺卡)?
Shopkeeper: It’s 2 yuan.
Mary: And the flower?
Shopkeeper: Three yuan for each.
Mary: Here’s 20 yuan. I’ll buy the doll, the card and the flower.
(At home)
Mary: Mom, the card and the flower are for you.
Mom: Thank you. You are my good girl.
1.—Whose birthday is today ? ( )
—It’s ________.
A.Mary’s | B.Mary’s mom’ s | C.Mary’s sister’s |
A.twelve | B.fifteen | C.twenty |
—It’s _______ yuan.
A.five | B.seventeen | C.fifteen |
A.seven | B.seventeen | C.nineteen |
A.the card | B.the flower | C.the doll |
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