在利用工程量清单进行投标报价时，工程量单价的套用方法有( )单价法。 A．工料 B

患者男性，55岁。慢性便秘二月，3-5天一次，量少，用力排便时伴有便血，色鲜红，与粪便不混。近二周来常感腹部胀痛。有痔疮史已十多年。劳累时常有便血，二年前有阑尾切除史。体检：一般情况尚可，腹微胀，未见肠型或蠕动波，亦无腹壁静脉曲张，腹软，无明显固定压痛，来触及肿块，肠鸣音活跃，直肠指检来触及肿块，指套未见血染。

应作哪些术前准备（）

A.低蛋白血症者术前应予纠正

B.手术前三天起应每日清洁灌肠，保证肠道清洁

C.隐性糖尿病因未引起症状故无需处理

D.入院后即应禁食，并胃肠减压

E.贫血严重者应予纠正，可给予口服硫酸亚铁和富有铁质的食物

F.入院后每天给口服石蜡油通便，直至手术

主排水泵硐室和主变电所通常联合布置在（）附近，使排水管引出井外、电缆引入井内均比较方便，且具有良好的通风条件

A.副井

B.主井

C.管子道

D.井底车场

Selection to participate in a top executive-education program is an important rung on the ladder to top corporate jobs. U. S. corporations (1) billions of dollars in this form of management development -- and use it to (2) and train fast-track managers. Yet one (3) of executive education found that less than 5% of the managers (4) to these high-profile programs are women -- and minorities are terribly (5) as well.

The numbers are (6) . In regular business (7) usually paid for by the participant, not an employer -- there are plenty of women and minorities. Women, for example, (8) for about 30% of MBA candidates. Yet in the (9) programs paid for by corporations that round out a manager’s credentials at a (10) career point, usually at age 40 or 45, companies are making only a (11) investment in developing female and minority executives. A case (12) point: Only about 30% of the 180 executives in Stanford’s recent (13) management program were women.

Most companies say these days they are (14) hiring and promoting women and minorities-- and there are some (15) trends in overall employment and pay levels so why are companies (16) the ball when it (17) executive education The schools (18) that they are neither the cause of nor the cure for the problem. A Harvard Business School dean figures that companies are (19) of sending their female executives (20) they don’t want to lose them to competitors.

20（）

A.that

B.while

C.because

D.But

IPX标准访问控制列表的表号范围是______。

A) 1～99
B) 700～799
C) 800～899
D) 900～999

关于物体的惯性，下列说法中正确的是（）

A.运动速度大的物体不能很快停下来，是因为物体速度越大，惯性也越大

B.静止的火车启动时，速度变化慢，是因为静止时物体惯性大的缘故

C.乒乓球可以快速抽杀，是因为乒乓球惯性小的缘故

D.物体受到的外力大，则惯性小；受到的外力小，则惯性就大