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Sun Yang is 12 years old. He has a bad cold and coughs day and night. Then he goes to see the doctor. The doctor gives him some cough medicine. Here’s the instruction (服用说明).
Cough Medicine | |
| Shake (摇动) before using. | |
| Take three times a day. | |
| Age | Dose (剂量) for each time |
| >15 | 2 teaspoons (茶匙) |
| 8-14 | 1 teaspoon |
| 4-7 | 1/2 teaspoon |
| 1. Not right for the children under the age of 3. 2. Be kept (储存) in a cold place. 3. Use before 2023. | |
1．What should Sun Yang do before using the medicine? ( )
| A．Shake the bottle. | B．Wash the bottle. | C．Keep the bottle warm. |
| A．one | B．four | C．three |
| A．One teaspoon. | B．Two teaspoons. | C．Three teaspoons. |
| A．warm | B．cold | C．hot |
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
