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[单项选择]以下有关灭菌法的叙述中,错误的是
A. 灭菌法是指杀死或除去所有微生物的方法
B. 灭菌方法的可靠性可用F0值验证
C. 灭菌效果以杀死微生物的繁殖体为准
D. 微生物的种类不同,使用的灭菌方法也不同
E. 灭菌方法可采用物理方法或化学方法

热门试题:

[单项选择]机组正常工作时,进入蒸发器的是()制冷剂。
A. 低温低压液态
B. 低温低压气态
C. 高温高压液态
D. 高温高压气态
[单项选择]()是第一个在零售业正式宣布采用RFID的企业。
A. 麦德龙
B. 家乐福
C. 乐购
D. 沃尔玛
[判断题] 高层建筑火灾由于火势蔓延途径多,影响火势蔓延的因素单一,如果火灾初起时得不到有效控制,不易形成立体火灾。
A.正确
B.错误
[单项选择]()是多媒体内容描述接口标准。
A. MPEG-1
B. MPEG-2
C. MPEG-4
D. MPEG-7
[单选题]解放:束缚
A.犯罪:惩罚
B.蜕变:堕落
C.伶俐:笨拙
D.黎明:拂晓
[单选题]曾受过( )的人员不得担任人民警察。 (1分)
A.行政处分
B.行政处罚
C.刑事处罚
D.罚款
[多项选择]对于设备、材料采购实行公开招标的主要优点有( )。
A. 可以使符合资格的供应商能够在公平竞争条件下,以合适的价格获得供货机会
B. 可以使设备、材料采购者以合理价格获得所需的设备和材料
C. 可以促进供应商进行技术改造,以降低成本,提高质量
D. 可以基本防止徇私舞弊的产生,有利于采购的公平和公正
E. 可以促使供应商尽快交货
[多选题]库内作业劳保穿戴规范原则是( )。
A.作业人员工作前必须按规定正确穿戴好防护用品
B.下地沟作业时应戴安全帽
C.上车顶和登高作业时应戴安全帽、系安全带
D.安全帽系好帽带
E.禁止穿拖鞋、高跟鞋,硬底鞋进行作业
[单选题]招标文件允许投标人提交备选方案的,评标委员会应对()的备选方案进行评审。
A.所有投标人
B.通过初步评审投标人
C.通过详细评审评标人
D.中标人
[填空题]母线着色的作用是防止母线氧化、( )、( )。
[单选题]定期检测工作完成后,检测工区应在()内完成2C关键性问题的定期分析诊断。
A.1日
B.3日
C.10日
D.20日
[单选题]医疗机构应对麻醉药品处方单独存放,至少保存
A.半年
B.一年
C.二年
D.三年
[单项选择]固定资产折旧的计算方法中,计算公式:每单位折旧费用=(成本-残值)/估计总单位数,是属于()计算方法。
A. 直线法
B. 产量或使用量法
C. 递减余额法
D. 年数总和法
[单选题]-B-001 4 2 3
正确使用防护用品,经常检査所用、所管的设备、工具、仪器、仪表的( )状态,不违章指挥, 不违章冒险作业。
A.表格
B.清洁
C.安全
D.运行
[T/]
[填空题]Ad. 1
SALES MANAGER
Major international computer company seeks sales managers for challenging overseas position.
Those who apply for the position should have:
— a university degree in business or related field
— at least 8 years’ experience in computer sales, 4 at the management level
— overseas experience
— knowledge of at least 1 foreign language
Benefits include:
— competitive salary based on qualifications and experience
— excellent fringe benefits
Telephone: Barbara Carter, New York, at 800-555-1324
Ad. 2
Economy Rent-a-Car
— a variety of models to choose from
— low rates
— self-drive and chauffeur-driven cars
— full comprehensive insurance
— unlimited distance
— excellent service
For more details call: 391-922
Ad. 1 & Ad. 2

In the first advertisement (1) are wanted.

[判断题]依据《中国石化应急管理规定》针对泄漏、火灾等可能造成周边公众人身伤害、 财产损失或社会不稳定状态的事件编制的应急预案,不需要包括企地联动内容。
A.正确
B.错误
[单选题]1950年6月朝鲜战争爆发,10月19日以( )为司令员兼政治委员的中国人民志愿军奉命开赴朝鲜战场。
A. 朱德
B. 彭德怀
C. 贺龙
D. 刘伯承
[单选题]股外侧肌的注射范围是( )
A. 大腿外侧,膝关节以上
B. 髋关节以下,膝关节以上大腿外侧
C. 髋关节以下10cm,膝关节以上10cm,大腿外侧
D. 大腿内侧,膝关节以上10cm
E. 髋关节以下10cm,膝关节以上10cm
大腿内侧
[判断题]公安民警因工作需要与人民群众、党政机关工作人员或者外宾接触时,可以主动致意或者敬礼。(×,应当主动致意或者敬礼)
A.正确
B.错误
[判断题]焊盘就是PCB上用于焊接元器件引脚的焊接点。
[单项选择]男,5岁。跌倒时左手掌着地,查体肘关节半屈状,肘部明显肿胀及压痛,皮下有瘀斑,向外突出畸形,肘后三角存在。该患儿最有可能的诊断是()
A. 伸直型肱骨髁上骨折
B. 屈曲型肱骨髁上骨折
C. 肘关节脱位
D. 桡骨小头半脱位
E. 尺骨鹰嘴骨折
[单选题]新中国成立后,我们党在土地改革中对富农的政策是( )。
A.彻底消灭富农
B.征收富农的土地财产归集体所有
C.保存富农经济
D.对富农进行社会主义改造
[单项选择]The United States has historically had higher rates of marriage than those of other industrialized countries. The current annual marriage rate in the United States --- about 9 new marriages for every 1,000 people -- is (47) higher than it is in other industrialized countries. However, marriage is no longer as (48) as it was several decades ago. The proportion of American adults who are married (49) from 72 percent in 1970 to 60 percent in 2002. This does not mean that large numbers of people will (50) unmarried throughout their lives. Throughout the 20th century, about 90 percent of Americans married at some period in their lives. Experts (51) that about the same proportion of today’’s young adults will eventually marry. The timing of marriage has (52) consistently over the past century. In 1995 the average age of women in the United States at the time of their first marriage was 25 . The average age of men was about 27. Men and women in the United States marry for
[多选题]操纵机车应注意( )。
A.起动稳
B.加速快
C.精心操纵
D.停车准确
E.按规定鸣笛
F.防止列车冲动和断钩
[单项选择]我们生存环境中的能量主要来自()。
A. 地球内部
B. 万有引力
C. 太阳辐射
D. 以上都不是
[多选题]接地体(线)焊接应采用搭接焊,其搭接长度必须符合下列规定( )。 ( )
A. 扁钢为其宽度的2倍
B. 圆钢为其直径的6倍
C. 扁钢与圆钢连接时,其长度为扁钢宽度的2倍
D. 扁钢与圆钢边接时,其长度为圆钢直径的6倍
[单项选择]Email has brought the art of letter writing back to life, but some experts think the resulting spread of bad English does more harm than good.
Email is a form of communication that is changing, for the worse, the way we write and use language, say some communication researchers. It is also dramatically changing the way we interact and build relationships. These are a few of the recently recognized features of email, say experts, that should cause individuals and organizations to rethink the way they use email.
"Email has increased the spread of careless writing habits," says Naomi Baron, a professor of linguistics at American University. She says the poor spelling, grammar, punctuation and sentence structure of emails reflect a growing unconcern to the way we write.
Baron argues that we should not forgive and forget the poor writing often shown in emails. "The more we use email and its tasteless writing, the more it becomes the normal way of writing," the professo
A. indifferent
B. fair
C. straightforward
D. optimistic
[单项选择]
{{B}}TEXT B{{/B}}

A scientist who does research in economic psychology and who wants to predict the way in which consumers will spend their money must study consumer behavior. He must obtain data both on resources of consumers and on the motives that lend to encourage or discourage money spending.
If an economist were asked which of three groups borrow most—people with rising incomes, stable incomes or declining incomes—he would probable answer: those with declining incomes. Actually, in the years 1947~1950, the answer was: people with rising incomes. People with declining incomes were next and people with stable incomes borrowed the least. This shows us that traditional assumptions about earning and spending are not always reliable. Another traditional assumption is that if people who have money expect prices to go up, they will postpone buying. But research surveys have shown that this is not always true. The expectations of
A. people with rising incomes tend to borrow most.
B. people will resist to purchase things when price increases.
C. people with declining incomes tend to borrow most.
D. rising prices may make people put off their purchase of certain things.
[单项选择]关于淋病,下列哪项是错误的
A. 淋病奈瑟菌多存在于多核白细胞内
B. 淋菌经输卵管伞端可发展为播散性淋病
C. 为我国性传播疾病中最多见
D. 淋病以侵袭泌尿生殖道粘膜为主
E. 首先出现急性尿道炎的症状
[单项选择]
· Read the following passage about a website.
· Are the sentences 16-22 "Right" or "Wrong" If there isn’t enough information to answer "Right" or "Wrong", choose "Doesn’t say".
· For each sentence, mark one letter (A, B or C) on your Answer Sheet.
{{B}}HERE WE GOOGLE AGAIN{{/B}}
Google dominates the Internet-search business, such as Netscape once ruled in Web browsers and Real Networks did in media players. Begun as a research project by two graduate students in 1998, Google today carries out more than 200 million searches a day and is estimated to have had $1 billion income last year, mainly from advertising sector.
It is the most visited search site, accounting for 35% of search-engine visits — compared with 28% for Yahoo, 16% for AOL and 15% for Microsoft’s MSN, according
[填空题]She’s ______ (fortune) enough to enjoy good health.
[单项选择]内分泌性眼病的特征性改变为()
A. 眼外肌增粗
B. 可累及多根眼外肌
C. 眼外肌的眼球侧肌腹不增粗
D. T1和T2加权像眼外肌均为低或等信号
E. 内直肌受累
[单选题]保护蔬菜鲜艳绿色的方法主要有加油、加碱、加盐、( )四种方法。
A.醋泡
B.碱泡
C.油泡
D.水泡
[单项选择]联接组号不同的变压器不能并联运行,是因为()。
A. 电压变化率太大;
B. 空载环流太大;
C. 负载时激磁电流太大;
D. 不同联接组号的变压器变比不同。
[判断题]根据《铁路客运运价规则》,所指客运运价包括旅客票价和行李、包裹运价。
A.正确
B.错误
[单选题]三相四线制电能表的电压线圈应()在电源端的火线与零线之间。
A.串接
B.跨接
C.连接
D.混接
[单选题] 60kg/m钢轨普通线路混凝土枕碎石道床,线路设备大修周期()Mt。
A.300
B.450
C.600
D.700
[单项选择]假定A=5,执行命令A=A+5后,显示的结果是( )。
A. 5
B. 10
C. .T.
D. .F.
[单项选择]既有肠燥便秘,又有水肿腹满者应选用的药物是()
A. 火麻仁
B. 杏仁
C. 桃仁
D. 郁李仁
E. 商陆

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