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Many students are not well today. Sue is ill today. She isn’t feeling well. She should see a doctor. Bob feels sad, because he fails the math test. What’s wrong with Tom? He is unhappy, because he can’t go to the zoo tomorrow. Kate is very tired. She should sit down and have a rest. Mary is weak. She should stay in bed.
1．Many students are not well today.2．Bob feels sad, because he fails the English test.
3．Kate is very tired.
4．Mary isn't feeling well. She should see a doctor.
5．Tom can go to the zoo tomorrow.
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
