计算机使用总线结构便于增减外设,同时______。A.减少了信息的传输量 B.提高了

题型:单项选择题

问题:

计算机使用总线结构便于增减外设,同时______。

A.减少了信息的传输量

B.提高了信息的传输量

C.减少了信息传输线的条数

D.增加了信息传输线的条数。

考点:计算机等级考试PC技术PC机的组成原理与接口技术
题型:单项选择题

根据短文内容,选择恰当的句子补全短文,并在答题卡上将该项涂黑。

小题1:  Here are some predictions: things to come, things to go.

The Spring Festival, the most important Chinese holiday when everyone returns home, has caused headaches for millions of Chinese. More than 2 billion people travel at the same time, making getting travel tickets and the journey difficult. 小题2:  China plans to build more than 120,000 kilometers of railway and a fast transportation network that will serve 90% of the population by 2020. And because most of China will be cities, people will not have to go to other places to find a job, so it will no longer be a problem.

小题3: In the future, digital newspapers will be sent to personal web tools through Internet. Readers can discuss topics with journalists and editors. Information will move faster.

小题4: But scientists have found something else for oil as fuel. Coal, natural gas, solar power, nuclear power and even water can take the place of oil as sources of energy.

Schools will go electronic. 小题5:  Everything will be in the computer and students will not need to bring books to school. They will find information on the Internet. A computer will be the students’ library, schoolbag and connection to the outside world. There will be robot teachers. They will check homework on computers and communicate with the students’ parents through e-mail. And school buses will be like spaceships, comfortable and safe.

A.What might the future be like?

B.Oil is running out faster than expected.

C.Computers will be important and popular among the students.

D.But in 28 years, Spring Festival travel may not be a problem at all.E.Newspaper will come to an end in 2043.   

题型:单项选择题

根据《土地管理法》的规定,工程建设征用耕地的土地补偿费,一般为该耕地被征用前3年平均年产值的()倍。

A.3至4

B.4至6

C.6至10

D.10至16

题型:单项选择题

阅读下列材料:

材料一:“法者,天下之公器;变者,天下之公理也。”

 材料二:“我们革命的目的,是为中国谋幸福,因不愿少数满人专制,故要民族革命(即民族主义);不愿君主一人专制,故要政治革命(即民权主义);不愿少数富人专制,故要社会革命(即民生主义)。”

请回答:

(1)上述两则材料分别是谁的言论?

___________________________________________________________________________________________

(2)依据上述材料并结合所学知识,分别概括两则材料所反映的核心主张?

___________________________________________________________________________________________

(3)综合上述材料,说说中国人在学习西方问题上有何发展变化。

___________________________________________________________________________________________

题型:单项选择题

甲状腺大部切除后48小时内,需注意最危急的并发症为().

A.喉上神经内侧支损伤

B.喉返神经单侧损伤

C.呼吸困难和窒息

D.甲状腺危象

E.手足抽搐

题型:单项选择题

2014年1月10日,我国成品油价格迎来今年首次下调。假设下图(P为价格,Q为需求量)d1和d2中有一条是汽车需求曲线,另一条是某生活必需品需求曲线,受汽油价格下调的影响,在其他因素不变的情况下,下图移动的线是汽车需求曲线的可能是()

A.①

B.②

C.③

D.④

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