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Some people feel sick in the winter. Many people get the flu. How do you know when you have the flu? Do you have a sore throat? Does your nose hurt? Do you have a headache? If you have a fever, you might have the flu.
Don’t worry! If you are sick, see the doctor. Take some medicine and drink hot drink, Stay in bed for a few days. You will feel better soon.
1．Every one feels sick in the winter. （____）
2．When you have flu, take some medicine. （____）
3．If you are sick, see the doctor. （____）
4．If you have a fever, you might not have the flu. （____）
5．Stay in bed for a few days. You will feel better. （____）
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
