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One Saturday afternoon, Mrs. Smith and her daughter, Alice go shopping in a big shop. They go there by bus. Mrs. Smith wants to buy a pair of shoes for Mr. Smith and some school things (学习用品) for her. Alice wants some oranges and bananas. So Mrs. Smith buys 2 kilos of oranges and 3 kilos of bananas for Alice.
1．When do they go shopping? ( )| A．Saturday morning. | B．Saturday afternoon. | C．Sunday afternoon. |
| A．By bus. | B．By car. | C．By bike. |
| A．Some bananas and grapes. | B．Some bananas and oranges. | C．Some school things. |
| A．Mrs. Smith. | B．Alice. | C．Mr. Smith. |
| A．Mrs. Smith | B．Mr. Smith | C．Alice |
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
