How to be healthy? It’s very important to keep healthy. There are so many ways to be healthy. First, we can eat more vegetables and fruit. But we can’t eat too much fruit at night, because it’s bad for teeth. Second, we can go to bed early and get up early in the morning. And we can do some exercise, like running, skipping, swimming and so on. What’s more, we should be happy every day. Don’t be angry with others. It’s not good for your health.
1.It’s very _______ to keep healthy. ( )A.easy | B.hard | C.important |
A.方法 | B.道路 | C.习惯 |
A.good | B.bad | C.healthy |
A.Swimming | B.Eating hamburgers | C.Drinking cola |
A.angry | B.friendly | C.lovely |
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