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Hello! Welcome to the school library! I’m the librarian. We’ve got many kinds of books for you. Look! These big books are dictionaries. They are on Shelf A. They are heavy. Be careful when you take them. These books are about sports. We put them on Shelf B. The science books are on Shelf C. The books on Shelf D are about art. Where are the picture books? They are on Shelf E. Do you want to borrow a book? Stand in line and show me your library card.
1．The heavy books are _______. ( )| A．dictionaries | B．picture books | C．science books |
| A．They are on Shelf A. | B．They are on Shelf B. | C．They are on Shelf D. | |
| A．sports | B．science books | C．picture books |
| A．On Shelf D. | B．On Shelf E. | C．On Shelf F. |
| A．science | B．computers | C．sports |
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
