在一项病例对照研究中,计算出某研究因素与疾病关联强度OR值的95%可信区间为0.55

题型:单项选择题

问题:

在一项病例对照研究中,计算出某研究因素与疾病关联强度OR值的95%可信区间为0.55~0.80,请问该因素可能为

A.混杂因素
B.危险因素
C.保护因素
D.无关因素
E.以上都不是

考点:公卫执业医师公卫执业医师
题型:单项选择题

下列溶液通入气体后与右图中的曲线变化相符的是(  )

A.氯化钠溶液中不断通入氯化氢气体

B.澄清石灰水中不断通入二氧化碳气体

C.盐酸中不断通入氨气

D.碳酸钠溶液中不断通入氯化氢气体

题型:单项选择题

Win $ 50 in the Coolest Gadget of the Week

Look at what’s the coolest gadget (vote for a chance to win $ 50).

Cryo S: A Cool Netbook Cooler

Like the other devices of NZXT, the Cryo S was designed to provide a competitive advantage at PC gaming. It has two adjustable 120mm fans that provide powerful cooling.

The full post can be found on Trends Updates.

Starry Night Bed

Are you having trouble getting that good nights sleep that you’re needing? Well, not any more. Why not take a look at the Starry Night Bed? The Starry Night Bed is a great new invention which will revolutionize the way in which you sleep. Not only is this bed fashionable and comfortable but it’s also a gadget heaven. With this bed you get many added gadgets including anti-snore technology, movie projector with speakers, temperature control and many more.

The full post can be found on Tech Styling.

Fugoo—talking gadgets

Fugoo gets all your appliances(装置,设备) talking to each other so your alarm clock could first wake you up and then tell the coffee machine to start working  while checking traffic conditions online to tell you how long it will take you to get to work.

The full post can be found on Decide What to Buy.

Vote  What is this week's coolest gadget?

〇 A Cool Netbook Cooler

〇 Starry Night Bed

〇 Fugoo—talking gadgets

小题1:Where can you find the full post of the “Cryo S”?

A.Tech Styling.

B.Super Cool Pets.

C.Decide What to Buy.

D.Trends Updates.小题2:If you buy a Starry Night Bed, you can get all the following gadgets EXCEPT ___________.

A.temperature control

B.movie projector

C.adjustable fans

D.anti-snore technology小题3:From this passage, we learn that Fugoo can_________.

A.check traffic conditions

B.wake you up

C.take you to work

D.make coffee小题4:Where does this advertisement probably come from?

A.A magazine.

B.A website.

C.A newspaper.

D.A textbook.

题型:单项选择题

下面是一次探究课的教学摘录。[任务驱动]出示任务:长期盛放澄清石灰水的试剂瓶内壁往往附着一层白色固体,这层白色固体是怎么形成的?主要成分是什么?(学生经过独立思考和小组合作,形成推论,并进行验证)[交流评价]教师巡视并选取四个典型实验,让各小组评价,教师点评。方案1:白色固体是CaCO,加入盐酸有气体生成,并且气体可使澄清的石灰水变浑浊;方案2:白色固体是CaCO,固体不溶于水,高温下固体分解,生成可使澄清的石灰水变浑浊的气体;方案3:白色固体是CaCO,固体不溶于水,加入盐酸有气体生成,并且气体可使澄清的石灰水变浑浊;方案4:白色固体是Ca(OH),加入盐酸固体溶解。[巩固提高]略根据上述信息,回答下列问题:(1)根据化学原理,你认为哪个推论是错误的?请说明理南。(2)请你针对方案1和方案2的可行性进行评价。(3)从探究的组织形式看,上述教学摘录属于哪类探究教学?

题型:单项选择题

下列拟任保险专业代理机构高级管理人员中,能够通过中国保监会核准的是( )。

A.韩某在某银行任职期间,由于违反规定受银监会罚款处罚未逾2年
B.张某由于违章驾车被交警罚款100元
C.李某担任因违法被吊销许可证的保险公司的监事
D.王某由于交通肇事正在接受司法机关调查

题型:单项选择题

下列关于高处作业的安全要求中,正确的有()。

A.架子工应按照有关规定经专业机构培训,并应取得相应的从业资格

B.作业时应戴安全帽、穿防滑鞋、系安全带

C.高处作业现场所有可能坠落的物件均应预先撤除或固定

D.随身作业工具和物料应手提,不得向上抛掷物料

E.雨雪季节应采取防滑措施

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