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Hello, I am Tom. I’m eight years old. I like PE. I collect footballs. I have seven footballs. Look! There are so many stickers. They are Peter’s stickers. He has sixty. Betty likes reading books. She collects books. She has twenty storybooks. Mary collects books, too. She has thirty storybooks. Betty and Mary put the books together. How many storybooks do they have?
1．Tom likes ______. ( )| A．English | B．PE | C．Chinese |
| A．40 stickers | B．50 stickers | C．60 stickers |
| A．storybooks | B．stickers | C．footballs |
| A．20 | B．30 | C．50 |
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
