↑ 收起筛选 ↑
试题详情

阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

Scientists are beginning to understand that sitting down for long hours can be very bad for your health. One of the reasons for this is that poor posture (姿势) leads 1.health problems. Here are some suggestions to help improve your posture and your health.

Sitting with poor posture can bring about serious back pain that doesn't go away. Many people believe that they should sit with their backs straight at a 90 degree angle to the floor, 2.scientists have recently discovered that this actually causes more stress on the body. They find that sitting with the back slightly reclined (斜倚) at a 135 degree angle is the 3.(healthy) posture, where the back muscles are relaxed and the spine (脊柱) is at 4.natural resting position.

Many people bend their necks forward to look at a screen or read a book while sitting, 5.develops constant neck pain. The lower neck muscles need to work very hard to support the 6.(weigh) of the head. The bones in the spine can slide forward, 7. (cause) a great deal of neck pain.8. (avoid) this problem, you should try to look at the top part of a computer screen when working at a desk. Your elbows should be at the side and your feet should be flat on the floor.

You should also try to 9.(regular) stop work and do some exercises. Put your hands behind your back and bring your chest forward slowly. Take a deep breath and relax. Finally, you can try to buy a special kind of chair that 10.(make)to improve sitting posture.

高三英语语法填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题