热门试题:
[判断题]( )维生素D具有延缓衰老的作用。
A.正确
B.错误
[多选题]CR400AF动车组以下哪些机柜分布于全列各车厢( )。
A.直流柜
B.ATP机柜
C.控制柜
D.交流柜
[单项选择]以下为实验动物的常用接种途径,但不包括 ()
A. 皮内接种
B. 皮下接种
C. 胸腔接种
D. 静脉接种
E. 脑内接种
[单选题] "变压器油中的( )对油的绝缘强度影响最大。
A.凝固点
B.粘度
C.水分
D.硬度;"
[判断题]测定沥青混合料毛体积相对密度和表观相对密度的主要区别是计算体积时采用了不同状态下的试件质量。( )
A.正确
B.错误
[单选题]柴油机的燃油滤清器主要有滤芯,外壳、( )。
A.滤清器座
B.内芯
C.外芯
D.油管
[判断题]利用非金属加强构件组成的无金属光缆能更有效地防止雷击。
A.正确
B.错误
[单项选择]无民事行为能力人不能实施民事法律行为,应由他们的()代理民事行为。
A. 父母
B. 法定代理人
C. 法定监护人
D. 直系亲属
[填空题]SDH光传输设备的传输距离主要由哪些因素决定?对1310nm窗口来说传输主要由哪些因素决定?
[填空题]济南地铁目前支持的票种主要有单程票、储值票、()。
[单项选择]型号为SAlMg-1的焊丝是( )。
A. 铝铜焊丝
B. 铝镁焊丝
C. 铝锰焊
D. 铝硅焊丝
[单选题]楼内灭火的进攻起点层应设于()
A.底层
B.着火层
C.着火层上层
D.着火层下一层
[填空题]A = LETTER 1 B = LETTER 2
C = LETTER 3 D = LETTER 4
Which letter
defends the safety of the vaccination programme
claims that fears about the vaccine were based on unreliable evidence
believes that intellectual freedom is threatened by mistakes made by science and society
emphasizes the difficulties in dealing with health scares
makes a comparison of Iraqi civilian deaths and MMR
says that Melanie Phillip is confused about epidemiology and clinical results
points out that scientists would become less credible if they do not base their conclusion on enough evidence
suggests that readers search the journal mentioned in the debate by using Google
suggests that a neutral organization be established for mediation of scientific controversies
accuses Melanie Phillips of misrepresenting the truth
1. ______
2. ______
3. ______
4. ______
5. ______
6. ______
7. ______
[单选题]集装箱板的牌号为( )。
A.SPHC
B.SPA-H
C.LH700C
D.LG600XT
E.略
F.略
[单选题]浮轨重力式减速器在制动位置时,基本轨底部距钢轨承座承轨面应保持( )mm间隙。
A. 2~3
B. 2~6
C. 3~7
D. 3~8
[单选题]除高瓦斯、煤(岩)与瓦斯(二氧化碳)突出建设矿井外的其它矿井进入()期工程前没有形成地面主要通风机供风的全风压通风系统的属于重大事故隐患。
A.A、一
B.B、二
C.C、三
D.D、四
[单项选择]第五套人民币2005年版纸币在正面主景图案右侧增加了()公众防伪特征。
A. 白水印
B. 双色异形横号吗
C. 凹印手感线
[单项选择]一成年男子,被烧伤部位有面部、颈部、双手、双前臂、双足及双小腿,则该患者烧伤面积为
A. 24%
B. 30%
C. 40%
D. 37%
E. 47%
[判断题]静态检查是车床进行性能试验之前的检查。
A.正确
B.错误
[单项选择]单位时间内的静脉回心血量主要取决于()
A. 中心静脉压
B. 外周静脉压
C. 阻力血管的口径
D. 外周静脉压和中心静脉压的差
E. 血液黏滞度
[单选题]The colourful chalkboards and baskets of fruit that greet customers at the entrances of Whole Foods Market's shops paint a rosy picture.Yet shares in the American seller of organic and natural food have fallen by more than 40%since hitting a peak last October,in a period when stock markets have been strong.
It is not that the retailer is in immediate crisis:its latest quarterly figures,on July 30th heowed sales and profits both up a bit.And it is not that people are going off the idea of paying more for food produced without chemical fertilisers,pesticides or additives:the International Federation of Organic Agriculture Movements reckons that the industry's worldwide revenues were a record of 63 billion in 2012;and Techsci Research,a market-research firm,predicts that the American market for such foods-the worlds largest-may grow by 14%by 2018.
The problem is that at Whole Foods,shoppers have been paying way over the cost of regular produce,and its success in getting them to do so has now attracted a lot of competitors,from rival organics chains like Sprouts and Trader Joe's to mass-market retailers like Walmart and Costco.As a result,the price premium for organic produce is crashing down.On a recent shopping trip,a pound of organic apples cost 2.99 at Whole Foods but just 1.99 at Sprouts and even less at Costco.
The firm has been trimming costs to keep its margins up,but the slump in its share price reflects investors expectation that this cannot continue,that profits will suffer and that Whole Foods'dominance of the market is coming to an end.
That the company has had to recall a number of products—in late July it and other grocers recalled plums and peaches suspected of contamination with Listeria bacteria—has made it harder to maintain an air of superiority over its competitors.Organic foods'claim to superiority is questionable anyway.Both Britain's Food Standards Agency and the Annals of Internal Medicine,a journal,concluded after reviewing the extensive studies on the issue that there is no substantial difference in the nutritiousness of organics and non-organics.In some respects organics may be bad for the environment,because growing them uses land less efficiently than non-organics.
As for“natural”foods,there is no official definition of this,inAmericaat least;so the label,which Whole Foods also applies to many products,is close to meaningless.Alan McHughen,a botanist at the University of California,Riverside,argues that the whole industry is"99%marketing and public perception,"reeling people in through a fabricated concept of a time when food,and life in general,was simple and wholesome.
If true,the trick has worked nicely for Whole Foods.But its success has attracted so many imitators that it is losing its uniqueness Even recent speculation about a takeover bid has failed to lift its shares.It may insist its food is sustainable But it seems its prices are not.下列哪一选项与划线部分所表达意思相同
A.Crisis Seems Far
B.The Firm Is at Risk
C.More Rivals Join In
D.Natural Foods Are Unreal
E.Stop Buying Organic Foods
F.The Recall Makes Things Worse
G.Traditional Foods Face Challenge
[单项选择]用于对某一项行政工作做比较具体规定的规范性文件称做( )。
A. 条例
B. 规定
C. 办法
D. 决定
[单选题]题干:为热极,易伤津液,易致疮痈的外感邪气是( )
A.风
B.火
C.寒
D.燥
E.暑
[多选题]下列菜品中,属于粤菜代表名菜的是( )。
A.白灼海虾
B.松鼠鳜鱼
C.太爷鸡
D.白云猪手
E.东江盐焗鸡
[判断题]完成统一祖国的大业是包括台湾同胞在内的全中国人民的神圣职责。
A.正确
B.错误
[单项选择]依照我国《婚姻法》的规定,对于离婚案件的审理,应进行调解,调解无效的,应准予离婚。下列不属于我国《婚姻法》所规定的判决离婚的条件的是( )。
A. 因感情不和分居满一年的
B. 重婚或有配偶者与他人同居的
C. 有赌博、吸毒等恶习屡教不改的
D. 实施家庭暴力或虐待、遗弃家庭成员的
[单选题]火灾事故调查中询问证人,必须( )。
A.A、以座谈会形式进行
B.B、三名以上火灾调查人员参加询问
C.C、有两名或两名以上被询问对象同时被询问
D.D、坚持单独询问的原则
[单项选择]
Directions: There are 20 masks in the following passage, and for each
blank there are 4 choices mailed A, B, C and D at the end of the passage.
You should choose the ONE answer that best fits into the passage. Then
mark the corresponding letter on the Answer Sheet.
Motorways are, no doubt the safest
roads in Britain. Mile (41) mile, vehicle for vehicle, you
are much (42) likely to be killed or seriously injured than
on an ordinary road. On (43) hand, if you do
have a serious accident on a motorway, fatalities are much more likely to
(44) than in a comparable accident (45)
on the roads. Motorways have no (46)
bends,, no roundabouts or traffic lights and (47)
speeds are much greater than on other roads. Though the 70 mph limit is
(48) in force, it is often treated with the A. more B. far C. less D. lesser
[判断题]汽轮机的超速试验应连续做两次,两次转速差不超过30r/min。( ) A.正确 B.错误
[单项选择]某县民政干部朱某,将负责发放的1万元救灾款挪作私用,进行营利活动,期限达两个月。其行为构成______。 A. 挪用特定款物罪 B. 挪用公款罪 C. 贪污罪 D. 违反财经纪律,不构成犯罪
[单项选择]境内居民通过邮政银行与境内()发生的外币收款属于涉外收入 A. 居民 B. 非居民 C. 所有个人 D. 直系亲属
[单项选择]钢筋力学性能检测取样时,应从待检钢筋任取一端截去()mm,分别制作拉伸冷弯试件。 A. 500 B. 300 C. 600 D. 1000
[判断题]封闭式防化服有害液体可达2小时不渗透。( ) A.正确 B.错误
[填空题]Windows98按照ACPI标准进行电源管理,将系统的能耗状态设置为三种,分别为工作状态、等待状态和上 【 】 状态。
[判断题]车辆行驶途中,指挥员疲劳时可以睡觉。 A.正确 B.错误
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