21. 填空题You are required to select one word for each blank from a list of choices given in a word bank following the passage.(只填写单词前的大写字母，不带标点符号，不填写单词)It has also been discovered that spending too much time online is输入答案with or even causing输入答案from face-to-face encounters. That is troubling because we know that we can get physically and psychologically ill if cut off from human influence. We improve our emotional state largely through being out in society. Not getting the right kind of human输入答案and support at key developmental periods of childhood may lead to serious emotional and psychological problems.Another basic need impacted by social media is the need for输入答案Our human brain is输入答案prepared for novelty, which, in turn, has helped us输入答案disastrous environmental change. Unfortunately, this natural thirst can become obsessive in the information age, in which every post, text, email, and online photograph is an opportunity to experience something new. As with an输入答案chocolate lover at a candy store, the many choices are too stimulating, even输入答案Social media, which feeds our needs for connection and novelty, risks causing social problems and also输入答案people's mental health. If kids develop输入答案texting and social media habits, they can suffer badly. It's high time that educators and families rethink how to change the extent to which we expose our children to social media.

Ⅰ. 21. 填空题(20分)You are required to select one word for each blank from a list of choices given in a word bank following the passage.(只填写单词前的大写字母，不带标点符号，不填写单词)It has also been discovered that spending too much time online is输入答案with or even causing输入答案from face-to-face encounters. That is troubling because we know that we can get physically and psychologically ill if cut off from human influence. We improve our emotional state largely through being out in society. Not getting the right kind of human输入答案and support at key developmental periods of childhood may lead to serious emotional and psychological problems.Another basic need impacted by social media is the need for输入答案Our human brain is输入答案prepared for novelty, which, in turn, has helped us输入答案disastrous environmental change. Unfortunately, this natural thirst can become obsessive in the information age, in which every post, text, email, and online photograph is an opportunity to experience something new. As with an输入答案chocolate lover at a candy store, the many choices are too stimulating, even输入答案Social media, which feeds our needs for connection and novelty, risks causing social problems and also输入答案people's mental health. If kids develop输入答案texting and social media habits, they can suffer badly. It's high time that educators and families rethink how to change the extent to which we expose our children to social media.A. noveltyB. inferringC. compulsiveD. interferingE. surviveF. acceptG. withdrawalH. ardentI. illogicallyJ. undermingnK. contactL. understandingM. biologicallyN. individualO. exhausting