4. Text Neck

　　Similar to the claw, text neck---discomfort in the neck and spine happens when you spend a long time looking down at your smart phone.

　　39.

　　Being mindful of how far your neck bends when you’re on your phone---- and bending it back to an upright position can help reduce the risk of text neck.

　　5. Pedestrian safety

　　Pedestrian deaths are on the rise because too many smart phone users engage in distracted walking. While focused on the cyber world, many of us can lose reality of the physical one. Elemental pedestrian safety knowledge is compromised by technology, and the risks are scary. 40.

　　A. We should taking breaks for a while.

　　B. The sensation results from a mismatch between sensory inputs.

　　C. Remember that pedestrian safety is more important than smart phone.

　　D. The habit may lead to people requiring medical spine care at a younger age.

　　E. To avoid injury or worse, put your phone away until you’ve reached a safe spot.

　　F. Any specific motor activity can cause pain in the tendons (筋) and muscles when done repeatedly.

　　G. Any activity that requires active use of your eyes---driving and reading included---can cause eye tiredness.

　　18.【】 In many countries of the world, people do what is called house sitting．It means that if owners of the house are going away, they want someone to come into their home and look after the house and maybe pets while they are away．

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