搜题请搜索小程序“爱下问搜题”
问题 单项选择题

依据《民用爆炸物品安全管理条例》的规定，民用爆炸物品生产企业应当在办理工商登记后（）日内，向所在地县级人民政府公安机关备案。

A．30

B．15

C．5

D．3

答案

参考答案：D

选择题

“聪明的人在生活中既要学会选择，也要学会放弃，其实放弃也是一种艰难的选择。”这句话体现的哲学道理是[ ]

A、适当地放弃主观能动性也是一种正确的做法

B、回避矛盾有时也能促进矛盾向好的方面转化

C、并不是所有的人生态度都是对社会存在的反映

D、要学会在对立中把握统一，在统一中把握对立
查看答案
单项选择题

Personal computers are used by one person at a time. The largest personal computer, or PCS, can fit on a (1) . Some of these (2) have more than one microprocessor. (3) the primary processor, which is a general-purpose device, a PC may have one or more processors to (4) special kinds of work. Some machines, (5) , have maths processors, others have graphics processors to help process photographs and other illustrations. Still others have (6) processors.
Office workers also use PCS that are not (7) to a network. These machines are used for (8) tasks as word processing, performing financial calculations, and organizing and (9) bodies of information called databases. People use PCS at (10) for some of the same kinds of tasks. They use word processing programs for (11) Communication, financial software for household budgets. Individuals also use their home computers to play (12) and to communicate (13) the internet.
Small, portable PCS are (14) with people who often work away from their desks. The (15) include laptop computers, which can be (16) on the lap; notebook computers, which are about the (17) of a loose leaf notebook; and palmtop, or handheld computers, which can be operated while (18) in the hand. Laptop and notebook computers have the same (19) as desktop computers. Palmtop computers have less power but still (20) some advanced capabilities. For example, they can process household financial data.

二、完形填空

A．games

B．jokes

C．soft wares

D．matches
查看答案