热门试题:
[判断题]提速道岔导曲线末端支距偏差过大，与直股轨距矛盾的原因是岔枕位置不准确或辙叉位置不对。
A.正确
B.错误
[单选题]构成交响乐团的基本乐器组是( )
A.弦乐组、木管组、铜管组、打击乐组
B.弦乐组、管乐组、弹拨组、打击乐组
C.弦乐组、木管组、弹拨组、打击乐组
D.弦乐组、铜管组、弹拨组、打击乐组
[单项选择]下列可用来衡量债券利率风险的最好的指标是( )。
A. 债券的当期收益率
B. 债券的持有期收益率
C. 债券的到期收益率
D. 债券的久期
[单选题]当日屠宰上市,在 1℃条件下冷却或在室温下置放 24 小时以内的肉称为( )。
A.鲜肉
B.冻肉
C.冷却肉
D.冷冻肉
[单项选择]设函数f(x)在x=a的某个邻域内连续，且f(a)为其极大值，则存在δ＞0，当x∈(a-δ，a+δ时，必有______．
A. (x-a)[f(x)-f(a)]≥0
B. (x-a)[f(x)-f(a)]≤0
[单选题]飞行中如两部LGCIU故障，对于机组接通机翼防冰，描述错误的是？
A.起落架在放下位时机翼防冰电门将点亮并将仅加温30S
B.无论起落架处于什么形态，机翼防冰电门将点亮并将仅加温30S
C.这种机翼防冰失效不会产生ECAM/声响警告
[多选题] 要深刻认识党面临的____的长期性和复杂性。
A.执政考验
B.改革开放考验
C.市场经济考验
D.生态保护考验
E.外部环境考验
[单项选择]防水混凝土结构后浇带混凝土养护时间不得少于（）
A. 27d
B. 28d
C. 29d
D. 30d
[单选题]内部对账时各营业机构在对账单规定的收回日期后( )日内完成对账结果的统计和对账单的装订。
A.20
B.10
C.7
D.5
[单选题]有人看守道口的信号、工具、备品数量，信号旗（黄色）单线1面、双线（）面，置放于易取处。
A.1
B.2
C.3
D.4
[简答题]简述心输出量明显下降时主要表现及其机制。
[单选题]原发性肾病综合征最主要的病理生理改变为 ( )
A.水肿
B.大量蛋白尿
C.高胆固醇血症
D.低蛋白血症
E.氮质血症
[单项选择]治疗肾虚型子肿的代表方剂是（）
A. 白术散
B. 肾气丸
C. 五苓散
D. 真武汤
E. 健固汤
[多选题]带式输送机运转中，发生断带事故的主要原因是( )。
A.A输送带张力过大
B.B严重超载
C.C输送带接头质量不符合要求
D.D输送带磨损超限、老化
[判断题]符合参加企业年金方案条件的职工，从符合条件的次月起自动加入该方案
A.正确
B.错误
[多选题]下列哪些属于电容器常见故障或异常( ) ？
A.外壳膨胀
B.触头过热或融化
C.电容器过电压
D.异常声响
[判断题]柴油机油、水温度低是造成柴油机敲缸的原因之一。
A.正确
B.错误
[单选题]依据《机关、团体、企业、事业单位消防安全管理规定》, 消防安全重点单位应当按照灭火和应急疏散预案,至少( ) 进行一次演练,并结合实际,不断完善预案。
A.每月
B.每季度
C.每半年 D 每年
[单项选择]一个已经公认的结论是，北美洲人的祖先来自亚洲。至于亚洲人是如何到达北美的呢，科学家们一直假设，亚洲人是跨越在14000年以前还连结着北美和亚洲后来沉入海底的陆地进入北美的，在艰难的迁徙途中，他们靠捕猎沿途陆地上的动物为食。最近的新发现导致了一个新的假设，亚洲人是驾船沿着上述陆地的南部海岸，沿途以鱼和海洋生物为食而进入北美的。以下哪项如果为真，最能使人有理由在两个假设中更相信后者( )
A. 当北美和亚洲还连在一起的时候，亚洲人主要以捕猎陆地上的动物为生
B. 上述连结北美和亚洲的陆地气候极为寒冷，植物品种和数量都极为稀少，无法维持动物的生存
C. 存在于8000年以前的亚洲和北美文化，显示出极大的类似性
D. 在欧洲，靠海洋生物为人的食物来源的海洋文化，最早发端于10000年以前
[判断题] 为了提高电阻对焊接头的质量,可以采用隋性气体进行保护o()
A.正确
B.错误
[判断题] 矿井防隔水煤（岩）柱一经确定，不得随意变动，并通报相邻矿井。()
A.正确
B.错误
[单项选择]It may look like just another playgroup, but a unique educational center in Manhattan is really giving babies something to talk about. "It’’s a school to teach languages to babies and young children with games, songs—some of the classes also have arts and crafts," said Francois Thibaut, the founder of the Langrage Workshop for Children, a place where babies become bilingual.
Children as young as few months are exposed to French and Spanish before many of them can even speak English. Educators use special songs and visual (视觉的) aids to ensure that when a child is ready to talk, the languages will not be so foreign. "Children have a unique capacity to learn many languages at the same time," said Thibaut. "Already at nine months, a child can tell the differences between the sounds he or she has heard since birth and the sounds he or she has never heard yet." Thibaut says the best time to expose children to language is from birth to 3 years old. For the last 30 years, the school has b
A. before seven years old
B. from birth to three years old
C. in his childhood
D. in his teens
[单项选择]Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of a(n) (31) should be made even before the choice of a curriculum in high school. Actually, (32) most persons make several job choices during their working lives partly (33) economic and industrial changes and partly to improve their positions. The "one perfect job" does not exist. Young people should therefore (34) into a broad flexible training program that will (35) them for a field of (36) rather than for a single job.
Unfortunately many young people, knowing (37) about the occupational world or themselves for that matter, choose their lifework (38) a hit-or-miss basis. Some (39) from job to job. Others (40) to work in which they are unhappy and (41) they are not fitted.
One common mistake is choosing an occupation for (42) real or
A. careers
B. professions
C. prospects
D. work
[填空题]
Lipstick That Makes You Totally Different
All right ladies, if somebody said "You are so beautiful," would you find it romantic
Women will go to great lengths to make themselves more beautiful, even for only a small change.
A nice lipstick is such a little thing but it can have such big charm. L’OREAL Paris’s new product Colour Riche provides dozens of beautiful colours.
Women can choose different colours to reflect different moods. Light pink lipstick creates a kind of romantic and feminine atmosphere, deep purple lips hint intense emotion and bright red creates a both sexy and classical look.
So print a perfect signal of love in your lover’s face, Colour Riche will help you.
Priced at 95 yuan (＄11.5) for each, available at L’OREAL counters in most large department stores.
1. The new product of L’OREAL Paris is called "
(46) ", priced at
(47) for each.
2. Usually, deep purple lipstic
[判断题]步行上下班时,区间应在路肩或路旁走行;在双线区间,应面迎列车方向;车站内如必须走道心时,应在其前后设置专人防护。 ( )
A.正确
B.错误
[判断题]( )靠近线路堆放材料、机具等,不得侵入机车车辆限界。
A.正确
B.错误
[单选题]唯物主义一元论同唯心主义一元论对立的根本点在于
A.世界发展动力问题
B.意识本质问题
C.世界本质问题
D.实践本质问题
[单选题]电流互感器和电压互感器的二次绕组应有一点且仅有一点永久性的、可靠的保护接地。工作中，（）将回路的永久接地点断开。
A.停止
B.禁止
C.阻止
D.停下
[多选题]下列命题中包含辩证法思想的是：
A.易穷则变，变则通，通则久
B.祸兮福之所倚，福兮祸之所伏
C.道之大原出于天，天不变，道亦不变
D.荣枯代谢而弥见其新
[判断题]麻花钻是钻孔的主要刀具。麻花钻用低速钢制成,工作部分经热处理淬硬。麻花钻由钻柄、头部和工作部分组成。 ( )(中)
A.正确
B.错误
[单项选择]防火板为平板型或曲折型，其厚度应为（），长度大于850mm，宽度大于400mm。
A. 1～2mm
B. 2～3mm
C. 1～3mm
D. 2～4mm
[单项选择]医学科研的根本目的是（）
A. 揭示生命活动的本质和规律
B. 认识疾病发生、发展过程
C. 寻找诊治疾病的有效途径
D. 探求增进健康的方法
E. 维护和增进人类健康，造福人类
[判断题]护士申请延续注册的时间应为有效期届满前半年。
[单项选择]
As with other forms of nonverbal communication, the use of touch to communicate feelings and emotions varies widely from culture to culture. Edward T. Hall theorized that, (1) touch, two general cultural classes exist: contact and noncontact. He called cultures that (2) much contact contact cultures and (3) that permit little contact noncontact cultures.
People in contact cultures (4) in closer proximity to each other. They touch more, face one another more directly, and utilize more eye contact than (5) in noncontact cultures. Contact cultures (6) most Arab countries, Mediterranean and Jewish people, Eastern Europeans, Russians, Hispanics, and Indonesians. Noncontact people (7) —are from northern Europe, Japan, China, Korea, and other Far Eastern countries.
The United States usually is (8) as a noncontact culture, primarily because of its original European settlers. Touching behavior, A. overall
B. typically
C. strictly
D. specially
