GtoE电子政务是指政府与政府公务员(employee)之间的电子政务,GtoE电子

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问题:

GtoE电子政务是指政府与政府公务员(employee)之间的电子政务,GtoE电子政务是政府机构通过网络技术实现内部电子化管理的重要形式。以下属于GtoE电子政务有()。

A.公务员日常管理

B.电子司法档案系统

C.政府内部网络办公系统

D.电子公文系统

考点:大学试题管理信息系统(MIS)管理信息系统(MIS)题库
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(1)关于电磁打点计时器的使用,下列说法正确的是___________;

A.电磁打点计时器使用的是10V以下的直流电源

B.在测量物体速度时,先让物体运动,后接通电源

C.使用的电源频率越高,打点的时间间隔就越小

D.纸带上打的点越密,说明物体运动的越慢

(2)电磁打点计时器是测量时间的仪器,其工作电压约为___________V,电源频率是50Hz,它每隔___________s打一次点,在测定匀变速直线运动加速度实验中,某次实验纸带的记录如下图所示,纸带上O、A、B、C、D、E、F、G为计数点,每相邻两个计数点间还有4个点没有画出,由图可知纸带的加速度等于_________,在打D点时纸带的速度为__________(保留两位有效数字),F到G的距离为__________cm。

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优势种的()、()、常占据群落中的()。

题型:单项选择题

阅读理解。

    For thousands of years, man has enjoyed the taste of apples. Apples, which are about 85 percent water,

grow almost everywhere in the world but the hottest and coldest areas (地区). Among the leading countries

in apple production are China, France and the United States.

    There are various kinds of apples, but a very few make up the majority of those grown for sale. The three

most common kinds grown in the United States are Delicious, golden Delicious, and McIntosh.   

     Apples are different in colour, size, and taste. The colour of the skin may be red, green, or yellow. They

have various sizes, with Delicious apples being among the largest. The taste may be sweet or tart (酸的).

Generally, sweet apples are eaten fresh while tart apples are used to make applesauce (苹果酱).   

     Apple trees may grow as tall as twelve metres. They do best in areas that have very cold winters. Although

no fruit is yielded during the winter, this cold period is good for the tree.

1. It can be learned from the text that Delicious apples are _____.[ ]

A. grown in France 

B. sold everywhere

C. very big      

D. quite sweet

2. Cold winter weather is good for _____.[ ]

A.the growth of apple trees 

B. producing large apples

C. improving the taste of apples 

D. the increase of water in apples

3. China, France and the United States are considered to _____. [ ]

A. be large producers of apples 

B. be large producers of applesauce

C. have the longest history in apple production

D. have the coldest winter among apple producing countries

4. The word yielded in the last sentence means _____.[ ]

A.improved

B. increased 

C.produced

D. sold

题型:单项选择题

托挂式架空光缆挂钩卡挂间距要求是多少?允许偏差是多少?

题型:单项选择题

煤场存煤中,下列()更易被氧化。

A.焦煤

B.气煤

C.肥煤

D.瘦煤

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