题型：问答题 简答题 下列关于车间气体管道布置及敷设的一般原则说法错误的是( )。A．车间管道一般沿墙或沿柱子架空敷设，高度以不妨碍通行和吊车运行及便于检修为原则，并尽量不挡窗户B．车间内的易燃、可燃气体管道不应穿越易燃、易爆品仓库、烟道、进风道、地沟和配电室等场所C．车间内部饱和气体管道的敷设坡度不宜小于0.004，最低点应设有排水装置D．车间内部管道可与车间其他管道共架敷设 查看答案
题型：问答题 简答题 在含有碳酸根离子，且能使酚酞变红的无色溶液中，能大量共存的离子组是（ ）A．Na+、SO32-、SO42-、K+B．Na+、Cu2+、Br-、Ba2+C．K+、MnO4-、NO3-、Na+D．K+、Ca2+、SO32-、Cl- 查看答案
题型：问答题 简答题 阅读理解。 Teens-want to gain valuable work experience? Do you enjoy working with kids? Need to finish community service requirement for school? Volunteer for the alameda recreation and park department! Volunteers are needed to help Recreation Leaders with youth programs and special events at our local park. During the summer, volunteers are also needed to help with our Aquatics Program at the swim center as well. This is a perfect opportunity to gain valuable work experience for future employment opportunities. Don't delay (延迟)! Spaces Are Extremely Limited! Sign up early! ●You may register in person or mail the completed form and payment to: Alameda Recreation and ParkDepartment, 2226 Santa Clara Avenue, Alameda, 94501. ●Faxed registrations accepted with MasterCard/ VISA,(510)747-7566. Once your application has been reviewed (审查), you will be contacted by the Teen Coordination to plan an oral interview. If you are accepted into the program, you must attend a volunteertraining. All applications are to arrive no later than two weeks before the training date (listed below) and are limitedto space availability. Not all applications will be surely given an interview. Late Applications will not bedealt with. Volunteer training information Training Date: Thursday, May28,2009 Time: 4:00 p.m. to 5:30 p.m. Location: Veteran's Memorial Building (2203 Central Avenue, Room 120, Alameda)Cost: $45 per person-includes training, uniform and materials. 1. We can know from the passage that the program can _____. [ ]A. teach kids to swim at the swim center B. train teens to be prepared for job interviewsC. offer people who are out of work some jobs D. provide a chance for volunteers to get work experience 2. Once you are allowed to join in the program, you _____. [ ]A. will be trained for volunteering B. will have a face to face interview C. must contact the Teen Coordinator D. will pay $45 for the materials 3. To join the program, you should register _____. [ ]A. on Thursday, May28, 2009 B. before Thursday, May 14, 2009C. after Thursday, May 28, 2009 D. before Thursday, June 11, 2009 4. What information can we get from the passage? [ ]A. You will be interviewed once you apply. B. You can register by sending an email. C. There is a limit to the number of volunteers.D. The training will last about two weeks. 查看答案
题型：问答题 简答题 下列关于招标投标异议的说法正确的是( )。A．投标人随时都可以提出异议和质疑B．异议和质疑应由招标人或者其他利害关系人提出C．异议和质疑应该向招标人或者招标代理机构提出D．异议和质疑应由投标人或其他利害关系人提出E．异议和质疑的对象可以是招标人、投标人、招标代理机构 查看答案