对称三相电路中,三相相量的相位角之差()。 A.相等 B.相差10度 C.相差20度

题型:单项选择题

问题:

对称三相电路中,三相相量的相位角之差()。

A.相等

B.相差10度

C.相差20度

D.相差30度

考点:电力系统电力系统题库
题型:单项选择题

制定并批准颁布保健食品标准和功能评价方法的机构是()。

A.省级卫生行政部门

B.各级卫生行政部门

C.卫生部

D.保健食品生产企业

E.检验单位

题型:单项选择题
在半径为9cm的圆中,120°圆心角所对的弧长为(  )
A.3cmB.6cmC.3πcmD.6πcm
题型:单项选择题

第二节、任务型阅读(共5小题,每小题2分,满分10分)

请阅读下列出游者和旅游景点的相关信息,并按照要求匹配适合他们的旅游景点。请将对应题号的相应选项的字母写在答题卷上。

61. Daniel, a young computer programmer, has been working hard and needs a holiday to relax in winter. He likes to get close to nature and enjoy water sports.

62. Henry and Ann and their two teenage sons, hope to take their holiday outdoors. They would like to find a place where they can play games, such as looking for treasure.

63. Philip, a high school student, wants to travel on weekends, and would like to learn about materials to use when building a setting for the train set.

64. Teresa, a primary school teacher, plans to take the whole class of 20 students for a holiday. The students will graduate this year, so she’d like to organize an activity without charge but it is instructive.

65. Tony, a young engineer in a modern car factory, enjoys an adventure journey once a year. This time, he would like to have journeys to the countryside, where he can try to learn about driving a horse and carriage.

A:

Brightwood Park

Take you up to Westfield’s natural preserve for a short hike or to practice skipping stones in the large pond. You can look for deer and other woodland animals or go on a nature treasure hunt.

B:

Jewark Airport

The airport offers free tours covering the history of the airport, terminal operations, and emergency vehicles and equipment for groups of 15 to 30 persons. The tours are intended for students in grades three and above. See also Newark International Airport.

C:

Cheesequake State Park

The Cheesequake State Park features 1,284 acres of open fields, a hardwood forest, a variety of wildlife and about 200 species of birds. Activities include hiking, boating, canoeing, swimming and a variety of winter sports. An interpretive Center provides live wildlife exhibits and environmental education programs, including nature walks.  

D:

The Model Railroad Club

The Model Railroad Club is an activity of the Union County Park System. The Club is open to visitors every Saturday afternoon for viewing the model train displays. Every fall, the Club sponsors a Light and Sound Show that will delight the model train lovers.

E:

Fosterfields Living Historical Farm

Learn about farming as it was done 100 years ago at Fosterfields Living Historical Farm. There are weekend demonstrations on planting and harvesting crops as well as special programs held throughout the year. Some of these include wool cutting and carriage driving.

F:

Deutsch Museum

Germany's leading museum of science, engineering, and transportation has everything from steam engines to space exhibits--some of which are closed for remodeling until May, 2003. Don't miss the Forum der Technik, which has a world-class planetarium and an IMAX theatre.

题型:单项选择题

甲公司将其持有的S公司25%股权与乙公司持有的作为交易性金融资产核算的股票进行交换,并向乙公司收取补价100万元。在交换日,甲公司持有S公司25%股权的账面价值为850万元,公允价值为1000万元;乙公司用于交换的股票的账面价值为600万元,公允价值为900万元。甲公司将该交换取得的股票作为交易性金融资产核算。假定该交换具有商业实质且不考虑相关税费,甲公司取得该股票的入账价值为( )万元。

A.850
B.900
C.950
D.1000

题型:单项选择题

什么是建筑详图?

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