继财政部、商务部决定自2007年12月至2008年5月,在山东、河南和四川三省开

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问题:

继财政部、商务部决定自2007年12月至2008年5月,在山东、河南和四川三省开展家电下乡试点工作后,在这个中国盼望已久的奥运之年,中国各部委开始频频出招,致力于提高居民的消费能力。要提高居民的消费水平必须

①保持经济的稳定增长,提高居民收入 ②稳定物价 ③消除居民收入差距 ④保证商品供应的数量和质量

A.①②③

B.②③④

C.①②④

D.①④

考点:收入水平影响消费水平物价水平影响消费水平保护环境,绿色消费观勤俭节约,艰苦奋斗的消费观
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复数
2-i
1+i
(i是虚数单位)的实部为______.
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阅读下面短文,将文后的个句子还原到文中适当的位置。
In a class in Japan, a robot teacher Saya called out the names of the students, smiled at them and told them off. 小题1:_________  So the students liked her very much. But the scientists say she is not going to take the place of human teachers.
小题2:__________  They are surprise, fear, dislike, anger, happiness and sadness. She can also say simple phrases such as “Thank you” and “Sorry”.
“小题3:__________  Robots that look like humans have an important influence(影响) on children and older people,” said Kobayashi, the maker of Saya.
小题4:___________  After being invented, she was tested in a classroom with many fifth and sixth grade students. “She still can’t do much more than call out names and shout ‘Be quiet’, but the children had great fun,” Kobayashi said. “They were very happy when Saya called out their names. We invented Saya to help people, but we cannot have too high hope for her. 小题5:__________  She is just a tool(工具).”
A. Saya was invented(发明) in 2004.                B. Saya has six feelings.
C. She can’t think or learn.                        D. Her funny face made the students laugh.
E. robots will be very important in the future.
题型:选择题

电气设备停电后(包括事故停电),在未拉开有关隔离开关(刀闸)或做好安全措施前,不得触及设备或进入遮栏,以防_____。

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一辆重为4t的汽车某段时间内运动的υ-t图像如图所示,设汽车受到的阻力恒定,下列说法正确的是

[ ]

A.汽车受到的阻力大小为4×103N

B.汽车在20s末关闭发动机

C.汽车在前20s内的牵引力大小为6×103N

D.汽车在30秒末的牵引力大小比在前20s内的小,但大小未知

题型:选择题

Oracle数据库系统中负责客户机与服务器之间网络通信的模块是 ______。

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