问题
问答题
下列是自来水厂净化水的流程图．水净化要解决的三个主要问题是：除去不溶性杂质、除去可溶性杂质、除去毒物和有害细菌．
请回答：
除去水中不溶性杂质的步骤是______．除去水中可溶性杂质的步骤是______．除去有害细菌的步骤是______．
答案
过滤能除去水中的不溶性固体，蒸馏能除去水中的可溶性杂质，投药消毒能除去有害细菌，故填：过滤，蒸馏，消毒．
搜题请搜索小程序“爱下问搜题”
下列是自来水厂净化水的流程图．水净化要解决的三个主要问题是：除去不溶性杂质、除去可溶性杂质、除去毒物和有害细菌．
请回答：
除去水中不溶性杂质的步骤是______．除去水中可溶性杂质的步骤是______．除去有害细菌的步骤是______．
过滤能除去水中的不溶性固体，蒸馏能除去水中的可溶性杂质，投药消毒能除去有害细菌，故填：过滤，蒸馏，消毒．
If you are looking for a summer camp job opportunity, the following are some summer camp jobs available for 2011 summer. 1. Fishing Male 21----Teach fishing and fly-tying(飞钓) techniques. Live with 6-8 campers and instructors, teach basic outdoor skills, lead backpacking trips and assist with canoe trips． Salary：$2,400.00一$3,000.00 Roaring Brook Camp Camp for Boys 480 Roaring Brook Road Bradford, Vermont 05033, USA Contact: Dr. Candice Raines at (800) 802-747-0282 2. Athletic Trainer International Sports Training Camp is a specialized sports camp located on a private 100- acre lake in the scenic Pocono Mountains of Northeastern Pennsylvania. We are renowned for our outstanding facilities, innovative programs and friendly staff. We are looking for both students and certified athletic trainers. Great working environment caring for kids sports injuries. Salary: $2,500.00- $2,500.00 International Sports Training Camp 1100 Twin Lake Road Stroudsburg, Pennsylvania 18360,USA Contact: Kara Klaus Major at(570)6202267 3. Head Cook Will manage kitchen staff of 4,order food and prepare meals and snacks for 50-60 campers and staff daily, during sessions and training periods． Salary: $3,000.00-$4,000.00 Burgundy Center for wildlife Studies HC 83.Box 38DD Capon Bridge, West Virginia 26711, USA Contact: Vini Schoene at(540)465-1516 4. Drama Department Head Spend an unforgettable summer doing what you love in the outdoor setting! Work with talented staff and children on exciting plays, musicals and improv! Camp Airy (for boys)is seeking an experienced individual with a theater background and experience in directing children’s productions.Supervise counselor  staff and direct two major productions in our 600 seat Outdoor Theatre．Our summer season runs from June 17 to August 18. Be sure to visit our outstanding web site at www.airylouise.org. Salary: Depends on Experience Camp Airy &Camp Louise 14938 Old Camp Airy Road Thurmont, Maryland 21788,USA Contact: Steve Goldklang at (410)466-9010 小题1:Who would be most interested in the text?
|