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对Y系列电动机而言，国家规定：（）kW及以下者采用星形接法。
木骨架罩面板顶棚施工作业条件之一是：吊顶房间需做完墙面及地面的（）和屋面（）等工程。
患者，男性，45岁。因患严重精神分裂症，用氯丙嗪治疗，两年来用的氯丙嗪量逐渐增加至600mg/d，才能较满意的控制症状，但近日出现肌肉震颤，动作迟缓，流涎等症状，对此，应选何药纠正（）
Melissa Poe Melissa Poe was 9 years old when she （31） a campaign for a cleaner environment by writing a letter to the then President Bush. Through her own efforts， her letter was reproduced on over 250 donated billboards （广告牌） （32） the country. The response to her plea help was so （33） that Poe established Kids For A Cleaner Environment（Kids F.A.C.E.）in 1989. There are now 300，000 （34） of Kids F.A.C. E. worldwide and is the worlds largest youth environmental organization. Poe has also petitioned the National Park Service to （35） a "Children's Forest" project in every national park. In 1992， she was invited as one of only six children in the world to speak at the Earth Summit in Brazil as part of the Voices of the Future Program. In 1993， she was given a Caring Award for her （36） by the Caring Institute. Since the organization started， Kids F. A. C. B. members have distributed and planted over 1 million， trees! Ongoing tree-planting projects include the （37） of Kid's Yards-backyard wildlife habitats（栖息地） -and Kid F.A. C. E. is involved in the exciting Earth Odyssey， which is a great way to start helping. "Starting the club （38） out to be a way to help people get involved with the environment -club members started doing things like recycling， picking up litter and planting trees as well as inviting other kids to join their club." "We try to tell kids that it's not OK to be lazy，" she explains."You need to start being a responsible， environmentally （39）person now， right away， （40）you become a resource-sucking adult.” 39.（）
“轻水”泡沫灭火剂可以采用液下喷射的方式扑救油罐火灾。
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