首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
The vegetative forms of most bacteria axe killed by drying in air, although the different species exhibit pronounced differences
The vegetative forms of most bacteria axe killed by drying in air, although the different species exhibit pronounced differences
admin
2010-02-19
55
问题
The vegetative forms of most bacteria axe killed by drying in air, although the different species exhibit pronounced differences in their resistance. The tubercle bacillus is one of the more resistant, and vibrio cholcra is one of the more sensitive to drying In general, the encapsulated organisms are more resistant than the non-encapsulated forms. Spores are quite resistant to drying; the spores of the anthrax bacillus, for example, will germinate alter remaining in a dry condition for years or more. The resistance of the pathogenic forms causing disease of the upper respiratory tract is of particular interest in connection with airborne infection, for the length of time that a droplet remains infective is a result, primarily, of the resistance of the particular microorganism to drying.
According to the passage, the risk of infection from airborne microorganisms would likely be greater during a ______.
选项
A、heat wave
B、time of high humidity
C、windless period
D、shortage of fuel oil
答案
B
解析
文章一开头就交代了细菌在干燥的空气中难以存活“The vegetative forms of most bacteria are killed by drying in air,”反之,潮湿的空气下,其较易存活,传染性也就越强。A条件下,不利于其生存;C,D条件文中未提到。
转载请注明原文地址:https://kaotiyun.com/show/cjIO777K
0
考博英语
相关试题推荐
●Lookatthenotesbelow.●Someinformationismissing.●Youwillhearaconversationaboutorderingsomething.●Foreachqu
FortheAMAT,in1998,theSalesareexpectedtoreachTheDMAT
WhydoesJanetWillisthinktheyneedtouseanoutsideagency?Whichagencydoessherecommend?
Lookatthenotesbelow.Someinformationismissing.Youwillhearaconversationaboutorderingsomething.Foreachquestion1
Questions11-15•Lookatthechartsbelow.Theyshowcompanysales.•Whichchartdoeseachsentence(11-15)describe?
Theairportexpressdepartsfromplatform3every20minutesduringtheday(every30minutesatnight).
ConfirmationofFollow-upafterBusinessMeetingThisisfurthertoourmeetingoflastweekatwhichweagreedtoholdase
许多美国企业,尤其是飞机和其他高价值工业的机械和设备制造商坚持认为,这些法规对抵制欧盟实施的经WTO批准的出口增值税退税来说是必要的。
随机试题
A、钝痛B、绞痛C、胀痛D、烧灼痛E、针刺痛胆石症
咽喉部如有灰白色假膜,擦之不去,重擦出血,且随即出现复生,此为()
病人王某,患肝硬化五年,经血液检测,病人为乙型肝炎表面抗原携带者,近来发生肺部感染,并出现呼吸困难。病人为乙型肝炎表面抗原携带者,对其应实施哪种隔离()
为预防钢筋混凝土结构构造裂缝,大体积混凝土应优选()等低水化热水泥。
李大爷在中国人寿保险公司为他的孙子购买了一份少儿教育金保险,并指定他的儿子和儿媳为受益人,其中( )属于这份保险合同的当事人。
根据市场平均水平来确定本企业的薪酬定位,这种方法()。
甲公司2014年有关处置金融资产业务如下:(1)处置交易性金融资产,账面价值为800万元(其中,成本为900万元,公允价值变动为一100万元),处置取得价款为1000万元;(2)处置持有至到期投资,账面价值为800万元(其中,成本为900万元,利息调整为一
能否确保培训经费的来源和能否合理地分配及使用经费,直接关系到(),而且也关系到培训者与学员能否有很好的心态来对待培训。
在某工地上有一批废旧建筑材料和垃圾需要清理并运离现场,由两位货车司机小王和小李负责。两人同时清理废旧建筑材料需2小时,两人同时清理垃圾需0.5小时,货车将垃圾运送郊区往返需3小时,货车将废旧建筑材料运送收购站往返需1小时。小王和小李完成这项清理、运输工作返
OfalltheemployedworkersintheUnitedStates,12.5millionarepartofatemporaryworkforce.TheUnitedStatesBureauofLa
最新回复
(
0
)