【单选题】已知函数 定义域为 ,则 的定义域为( )
【判断题】计划主体部分三要素是指目标、措施和步骤。
【简答题】听第10段材料,回答第17 -20题。 17. What did the person do every day? [ A] He drank a big glass of beer. [B] He went to the same beer house. [ C.] He drank with a different friend.
【简答题】采用B/S软件体系结构的应用软件系统的缺点是 、 、 。
【简答题】(14分) 已知函数 定义域为 ,对于定义域内的任意x,y都有 ,且 ,当
【简答题】关于古埃及数学的知识主要依据哪两部纸草书? 纸草书中问题绝大部分都是实用性质,但有个别例外,请举例。
【单选题】What did scientists do for the space shuttel missions?
A.
They tried to make best use of the latest technology.
B.
They tried to meet astronauts' specific requirements.
C.
They developed objects for astronauts to use in outer space.
D.
They actually calculated the speed of the orbiting shuttles.
【单选题】What did researchers find in recent years?
A.
We are able to watch the brain in action.
B.
People will become happy when in love.
C.
Unconditional love does not exist.
D.
All kinds of love are unconditional.
【简答题】听第10段材料,回答第17 -20题。 17. What did the man have to do in the morning? [ A] He fed the chickens. [B] He cleaned the bathroom. ‘ [ C] He carried water for the family.
【单选题】新民主主义的政治纲领中指出,我们要建立一个新民主主义共和国。这个共和国是( )共和国。