问题
多项选择题
光缆线路在城镇地段敷设应以采用管道方式为主。对不具备管道敷设条件的地段，可采用（）的敷设方式。
A.简易塑料管道
B.槽道
C.其他适宜的敷设方式
D.杆路
答案
参考答案：A, B, C
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光缆线路在城镇地段敷设应以采用管道方式为主。对不具备管道敷设条件的地段，可采用（）的敷设方式。
A.简易塑料管道
B.槽道
C.其他适宜的敷设方式
D.杆路
参考答案：A, B, C
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| When you sit and watch TV hour after hour, do you ever think of what it may be doing to your health? More and more children are becoming over weight (超重)and near-sighted 1 they spend too much time in front of the TV. Also, they are growing less and less creative (有创造性的) since watching TV doesn't 2 any active thought (积极的思维). Last week, the TV-Turnoff Organization（组织）began its ninth TV-Turnoff 3 in the US. The organization encourages people to play games, read books, lie under a tree, talk to family members and friends 4 watching TV. American school children spend, on average, 5 hours a year watching TV-more time than they spend in school. That's too much, say the doctors 6 organized this year's TV-Turnoff Week. Doctors say that the 7 children+ watch television, the more overweight they may become. And the food children eat while they watch the television makes this weight 8 more serious. To keep mentally and physically healthy, children need to take exercise, talk with friends and family, read, and 9 the world around them. Could you go a week without television? It might be 10 for many TV lovers, but why not give it a try? | ||||
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