I’m a healthy boy. I play sports every day when I come back home from school. My habits are pretty good. I try to eat a lot of vegetables. I eat fruits and drink milk every day. I never drink coffee. Of course, I love junk food, too, and I eat it twice or three times a month. Oh, I sleep nine hours every night. My healthy lifestyle helps me get good grades. Good food and exercise help me study better.
1.He is a healthy boy. (
2.He has many good habits. (
3.He eats junk food once a week. (
4.He drinks milk every day. (
5.He sleeps 6 hours every night. (
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