41 (spend)toomuchtimeonlinecanincreaseyourriskofcatchi...
问题详情:
41 (spend) too much time online can increase your risk of catching 42 cold or the flu,scientists have warned. Those with greater levels of Internet 43 (addict) are more likely to give in to illness 44 those who spend fewer hours online. Researchers believe the reason lies 45 the fact that people with an Internet addiction are more lonely,and as a result have 46 (weak) immune(免疫)systems. They said the lack of interaction with other people and less time spent outside 47 (expose) themselves to germs(细菌)played a role. Past studies also 48 (find) people who spend more time online experience greater sleep problem, have 49 (bad) eating habits, do less exercise and tend to smoke and drink more alcohol. These 50 (behave) can harm their immune system and increase chances of getting diseases.
【回答】
41.spending
42.a
43.addiction
44.than
45.in
46.weakened/weaker
47.exposing
48.have found
49.worse
50.behaviors
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