题目内容
阅读填空（共1小题）
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
1. (spend) too much time online can increase your risk of catching 2. cold or the flu，scientists have warned．
Those with greater levels of Internet addiction are more likely to give in to illness 3. those who spend fewer hours online．
Researchers believe the reason lies 4. the fact that people with an Internet addiction are more lonely，and as a result have 5. (weak) immune(免疫)systems．
They said the lack of interaction with other people and less time ____6.____(spend) outside exposing themselves to germs(细菌)played a role．
Past studies also have 7. (find) people who spend more time online experience greater sleep problem, have 8. (bad) eating habits, do less exercise and tend to smoke and drink more alcohol．
These 9. (behave) can harm their immune system and increase chances of getting diseases．
Professor Phil Read said, “We found that the impact of the Internet on people's health was independent of other factors，like depression，sleep problem，and loneliness，10. are associated with high levels of Internet use and also with poor health．
