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问题 单项选择题

根据建设项目可行性研究报告的内容，分析和预测该项目可能存在的危险、有害因素的种类和程度的安全评价是( )。

A．安全预评价

B．安全现状评价

C．安全验收评价

D．安全专项评价

答案

参考答案：A

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．sorting

B．dividing

C．to arrange

D．to separate
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单项选择题

应首先考虑切除子宫止血的是()。

A．宫缩乏力

B．胎盘粘连

C．胎盘大部植入

D．凝血功能障碍

E．子宫胎盘卒中
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