搜索
If you want to be strong and healthy, you must pay attention to the following (注意以下事项).
First, you should get enough sleep, and do morning exercise every day. Have meals at regular (正常) time and do not hurry (快) when you eat. Remember to sit straight (笔直) when you read and write. Breathe (呼吸) more fresh air. When you come home after school, go out into the open air and play for about an hour. Keep your body clean. Wash your hands before meals.
If you do all these above, you will be strong and healthy.
1．You should get ________ sleep. ( )
A. long B. small C. enough
2．When we read and write, we should ______.( )
A. sit straight B. stand C. stand straight
3．We should ________ before meals. ( )
A. wash bodies B. wash hands C. wash face
4．We should ________ when we eat. ( )
A. hurry B. be slow C. not hurry
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
