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Mary is a girl in Grade 5. It is summer. Today is Sunday. She stays at home with her little sister. Their parents go to the supermarket to buy some food. It is very hot. Mary and sister drink much cold water and eat a lot of ice creams. After a while, they feel hungry. They eat apples, grapes, chicken and some chocolate. When their parents get home, they feel very bad. Their parents take them to see a doctor. After taking some medicine, Mary feels better. But her sister still feels bad.
1．It is Saturday in summer.2．Mary and her sister are at home.
3．Their parents don’t take them to see a doctor.
4．Mary doesn’t take any medicine.
5．Mary’s sister still feels bad.
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
