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John is twelve years old. He had a bad cold and cough day and night. He went to see a doctor. The doctor gave him some cough medicine and asked him to follow the instructions (用药说明).
| Cough Medicine Shake (摇动) it well before use. Take it three times each day before meals (餐). Age： Dose (药量): over 14 2 teaspoonfuls (勺) for each time 8—13 1 teaspoonful for each time 4—7 1／2 teaspoonful for each time Not for children below the age of four. Put it in a cold place. Use it before December 1st 2023. |
1．John should take _________ for each time. ( )
| A．1 teaspoonful | B．2 teaspoonfuls | C．3 teaspoonfuls |
| A．shake the medicine well | B．eat some food | C．do some exercise |
| A．hot water | B．a fridge | C．anyplace |
| A．go on taking | B．throw away | C．keep |
| A．twelve | B．two | C．twenty |
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
