相关试题
【单选题】
出血动脉指的是___
A. 豆纹动脉
B. 颈内动脉
C. 大脑前动脉
D. 大脑中动脉
E. 大脑后动脉
【单选题】
脑脊液来源于___
A. 脑室脉络从
B. 蛛网膜粒
C. 上矢状窦
D. 终池
E. 室间孔
【单选题】
脑脊液循环途径，正确的是___
A. 第三脑室一室间孔一侧脑室一中脑水管一第四脑室一蛛网膜下腔一蛛网膜粒一上矢状窦
B. 侧脑室一室间孔一第三脑室一中脑水管一第四脑室一蛛网膜下腔一蛛网膜粒一上矢状窦
C. 第四脑室一中脑水管一第三脑室一室间孔一侧脑室一蛛网膜下腔一蛛网膜粒一上矢状窦
D. 侧脑室一中脑水管一第三脑室一室间孔一第四脑室一蛛网膜下腔一蛛网膜粒一上矢状窦
E. 第四脑室一室间孔一第三脑室一中脑水管一侧脑室一蛛网膜下腔一蛛网膜粒一上矢状窦
【单选题】
人胚胎在母体子宫内的发育经历：___
A. 18周
B. 28周
C. 38周
D. 48周
E. 42周
【单选题】
胚期是指：___
A. 从受精到第1周末
B. 从受精到第8周末
C. 从第2周到第8周末
D. 从第9周到第38周末
E. 从第28周到出生后第7天
【单选题】
胎期是指___
A. 从受精到第1周末
B. 从受精到第8周末
C. 从第2周到第8周末
D. 从第9周到第38周末
E. 从第28周到出生后第7天
【单选题】
精子获能发生在：___
A. 睾丸
B. 附睾
C. 输精管
D. 射精管
E. 女性生殖管道
【单选题】
成熟获能的与卵子结合形成受精卵的过程叫：___
A. 受精
B. 植入
C. 卵裂
D. 蜕膜反应
E. 以上都不对
【单选题】
受精的部位发生在输卵管的：___
A. 子宫部
B. 漏斗部
C. 壶腹部
D. 峡部
E. 以上都不对
【单选题】
关于受精的意义，说法错误的是：___
A. 促使卵母细胞完成第一次成熟分裂
B. 形成二倍体受精卵
C. 决定性别
D. 新个体接受父母双方的遗传物质
E. 促使次级卵母细胞完成第二次成熟分裂
【单选题】
下列哪一项不属于胚泡的结构：___
A. 滋养层
B. 胚泡液
C. 内细胞群
D. 胚泡腔
E. 以上都不对
【单选题】
透明带消失于：___
A. 受精时
B. 桑椹胚期
C. 卵裂开始时
D. 胚泡期
E. 排卵时
【单选题】
植入发生于：___
A. 受精时
B. 受精后1-2天
C. 受精后3-4天
D. 受精后5-6天
E. 受精后11-12天
【单选题】
正常情况下，胚胞植入部位在：___
A. 卵巢
B. 输卵管
C. 子宫内膜
D. 阴道
E. 腹膜腔
【单选题】
异位植入最常见的部位是：___
A. 卵巢
B. 输卵管
C. 子宫颈
D. 子宫阔韧带
E. 肠系膜
【单选题】
前置胎盘的形成是由于胚泡植入于：___
A. 子宫底壁
B. 宫前壁
C. 子宫后壁
D. 子宫颈处
E. 子宫颈管
【单选题】
无脑儿的形成由于：___
A. 神经管不闭合
B. 原始消化管未闭合
C. 前神经孔未闭合
D. 后神经孔未闭合
E. 神经褶未形成
【单选题】
下列哪项不是由内胚层分化来的?___
A. 肝和胰的实质
B. 胸腺细胞
C. 甲状腺
D. 泌尿生殖系统的器官
E. 气管到肺内的管道上皮
【单选题】
下列哪项不属于胎膜?___
A. 蜕膜
B. 绒毛膜
C. 羊膜
D. 卵黄囊
E. 尿囊
【单选题】
足月时，羊水可达到：___
A. ＜500ml
B. 800-1000ml
C. 1000-1500ml
D. 1500-2000ml
E. >2000ml
【单选题】
妊娠末期， 脐带的长度为：___
A. ＜30cm
B. 40-60cm
C. 60-80cm
D. ＞80cm
E. 以上都不对
【单选题】
关于胎盘的描述，错误的是___
A. 呈圆盘型
B. 胎盘重300克
C. 母体面粗糙
D. 胎儿面光滑
E. 胎儿面由丛密绒毛膜组成
【单选题】
早期胎盘屏障的组成包括：___
A. 毛细血管内皮及基膜
B. 合体滋养层
C. 细胞滋养层及基膜
D. 少量结缔组织
E. 以上都对
【单选题】
根据法的不同效力层级，下列安全生产法律法规和规章中，属于最低层级的安全生产立法是___。
A. 国务院通过的《安全生产许可证条例》
B. 某直辖市人大常委会通过的《××市安全生产条例》
C. 某省人民政府通过的《××省煤矿安全生产监督管理规定》
D. 全国人大常委会通过的《特种设备安全法》
【单选题】
某县政府通过招商引资，在当地成立了一家大型股份制化工公司。根据《安全生产法》，关于该公司安全生产责任的说法，正确的是___。
A. 该公司应当保障安全生产条件所必须的资金投入，用于提高生产效率
B. 该公司必须建立健全安全生产责任制和安全生产规章制度，改善安全生产条件，推荐安全生产标准化建设
C. 该公司股东大会对企业安全生产工作全面负责，应当定期听取安全生产工作汇报
D. 该公司在制定或者修改有关安全生产的规章制度时，可以听取本公司工作的意见
【单选题】
刘某、赵某、黄某、张某四人合伙成立一家金属冶炼公司，该公司董事长由最大的股东刘某担任，但刘某因生病长期休养，并不直接参与公司生产经营活动；公司总经理有赵某担任，全面负责生产经营活动；黄某担任冶炼车间主任，负责车间日常生产管理；张某担任公司工会主席。根据《安全生产法》，由___负责督促、检查公司安全生产工作，即使消除安全生产事故隐患。
【单选题】
依据《危险化学品安全管理条例》，关于危险化学品经营安全的说法,正确的是___
A. 依法取得危险化学品安全生产许可证的企业，可以凭安全生产许可证购买剧毒危险化学品
B. 危险化学品生产企业在其厂区范围内销售本企业生产的危险化学品,应取得危险化学品经营许可证
C. 危险化学品经营企业经批准,可以在规定范围经营没有化学品安全技术说明书的危险化学品
D. 个人不得购买剧毒危险化学品(包括属于剧毒化学品的农药)和易制爆危险化学品
【单选题】
根据《生产经营单位安全培训规定》,下列从业人员安全培训时间符合规定的是___
A. 食品加工企业新上岗的从业人员,岗前安全培训时间达到20学时
B. 危险化学品生产企业的从业人员,每年再培训时间达到20学时
C. 烟花爆竹企业新上岗的从业人员,岗前安全培训时间达到48学时
D. 金属冶炼企业的从业人员,每年安全再培训时间达到16学时
【单选题】
某客运公司经城际客运业务，共有职工 65 人、中型客车 20 辆。根据《安全生产法》，关于安全生产管理机构设置和安全生产管理人员配备的说法，正确的是___。
A. 该公司应当设置安全生产管理机构或者配备兼职安全生产管理人员
B. 该公司应当设置安全生产管理机构或配备注册安全工程师
C. 该公司应当设置安全生产管理机构或配备专职安全生产管理人员
D. 该公司不需设置安全生产管理机构，但应当配备兼职安全生产管理人员
【单选题】
根据《危险化学品重大危险源监督管理暂行规定》,关于危险化学品单位重大危险源安全管理的说法,正确的是___。
A. 一级重大危险源记录电子数据的保存时间，应当不少于20天
B. 涉及剧毒气体的重大危险源,应当至少配备一套气密型化学防护服
C. 重大危险源专项应急预案的演练,应当每两年至少进行一次
D. 重大危险源中储存剧毒物质的场所或者设施应当设置视频监控系统
【单选题】
张某在单位从事接触职业病危害作业的劳动,根据《劳动合同法》，该单位末对张某进行___，不得解除与张某订立的劳动合同。
A. 离岗前职业健康检查
B. 身体健康综合评估检查
C. 上岗前职业健康检查
D. 在岗期间职业健康检查
【单选题】
根据《矿山安全法》,关于矿山企业开采安全保障的说法，正确的是___。
A. 矿山设计规定保留的矿柱、岩柱，经论证在保证安全的前提下可以开采
B. 矿山闭坑后,对可能引起的危害,矿山企业应当采取预防措施
C. 矿山企业必要时可以对井下空气含氧量进行检测,保证符合作业要求
D. 矿山企业使用的有特殊安全要求的设备、器材、安全检测仪器,可以由非专业厂家生产
【单选题】
根据《工伤保险条例》,关于工伤保险费缴纳的说法,正确的是___
A. 工伤保险基金在留有一定比例的储备金后可用于投资经营
B. 工伤保险费可以由职工个人缴纳
C. 工伤保险费的数额为用人单位职工工资总额乘以单位缴费费率
D. 工伤保险费率根据以收定支原则确定
【单选题】
某金属冶炼厂发生-起火灾事故, 当场造成2人死亡、1人重伤、3人轻伤, 事故发生3天后，重伤者因救治无效死亡。根据《生产安全事故报告和调查处理条例》,该厂应自事故发生之日起___内补报该事故伤亡情况。
A. 45日
B. 30日
C. 15日
D. 7日
【单选题】
根据《特种设备安全法》,下列设备的安全监督管理适用该法的是___
A. 核材料运输车辆
B. 军用起重设施
C. 航天特种设备
D. 大型游乐设施
【单选题】
根据《特种设备安全法》,下列设备的安全监督管理适用该法的是___
A. 核材料运输车辆
B. 军用起重设施
C. 航天特种设备
D. 大型游乐设施
【单选题】
某化肥生产企业存在重大事故隐患,安全监管部门对该企业作出停产决定,但该企业仍然继续生产,随时有发生生产安全事故的现实危险，安全监管部门决定对该企业采取停止供电措施。根据《安全生产法》除有危及生产安全的紧急情形外，应当提前___小时通知对该企业采取停止供电措施。
【单选题】
甲建筑公司在某市承建商业大厦，进行吊装作业。根据《安全生产法》，关于该吊装作业现场安全管理的说法,正确的是___
A. 甲建筑公司应当安排专门人员进行现场安全管理
B. 该市安全监管部门应当安排专门人员进行现场安全管理
C. 该市建设主管部门应当安排专门人员负责现场安全管理
D. 项目设计单位应当安排专门人员负责现场安全管理
【单选题】
矿山企业为改善矿井安全生产条件,制定了安全生产费用提取和使用管理制度。根据《安全生产法》，关于该企业安全生产费用提取和使用的说法, 正确的是___
A. 该企业应当根据经营情况提取和使用安全生产费用
B. 该企业可使用安全生产费用提高安全生产管理人员待遇
C. 该企业应当在成本中据实列支安全生产费用
D. 该企业在发生亏损时可以停止提取安全生产费用
【单选题】
根据《安全生产培训管理办法》,关于生产经营单位安全生产培训的说法,正确的是___
A. 煤矿企业的主要负责人和安全生产管理人员、特种作业人员的培训大纲由省级安全监管部门组织制定
B. 对从业人员的安全培训,具备安全培训条件的生产经营单位应当以自主培训为主,也可以委托具备安全培训条件的机构进行安全培训
C. 生产经营单位的从业人员的安全培训,由所在地县级安全监管部门负责
D. 生产经营单位委托其他机构进行安全培训的，安全培训责任由被委托的机构承担
推荐试题
【单选题】
An effective way to prevent the burnout of young athletes is __________.___
A. to increase their sense of success
B. to make sports less competitive
C. to reduce their mental stress
D. to make sports more challenging
【单选题】
According to the passage sport is positive for young people in that __________.___
A. it can help them learn more about society
B. it enables them to find flaws in themselves
C. it teaches them how to set realistic goals for themselves
D. it can provide them with valuable experiences
【单选题】
Many coaches and parents are in the habit of criticizing young athletes __________.___
A. without realizing criticism may destroy their self-confidence
B. in order to make them remember life's lessons
C. believing that criticism is beneficial for their early development
D. so as to put more pressure on them
【单选题】
According to the passage parents and coaches should __________.___
A. help children to win every game
B. pay more attention to letting children enjoy sports
C. train children to cope with stress
D. enable children to understand the positive aspect of sports
【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
B. to stress the importance of positive reinforcement to children
C. to discuss the skill of combining criticism with encouragement
D. to teach young athletes how to avoid burnout
【单选题】
As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A. share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into
B. make up for
C. set up
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality
B. people's attitude towards it
C. how we use it
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value
D. end up somewhere underground
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative
B. ambitious
C. irrational
D. unrealistic
【单选题】
The underlined word "they" in "... together they threaten to confuse." (Para.5) refers to ____________.___
A. practicality and rationality
B. engineering and the liberal arts
C. reality and noble ideals
D. flexibility and a value system
【单选题】
It can be learned from the passage that the Ouchidas' house __________.___
A. failed to meet energy conservation standards
B. was designed and constructed in a scientific way
C. is well worth the money spent on its construction
D. is almost faultless from the point of energy conservation
【单选题】
What made the Ouchidas' new house a horrible dream?___
A. Lack of fresh air.
B. Gas leakage in the kitchen.
C. The newly painted walls.
D. Poor quality of building materials.
【单选题】
The underlined word "accentuate" (Para. 3) most probably means "________".___
A. worsen
B. accelerate
C. relieve
D. improve
【单选题】
Why were cracks in old houses not a big concern?___
A. Because environmental protection was given top priority.
B. Because indoor cleanness was not emphasized.
C. Because they were technically unavoidable.
D. Because energy used to be inexpensive.
【单选题】
This passage is most probably taken from an article entitled "_________".___
A. Energy Conservation
B. Air Pollution Indoors
C. House Building Crisis
D. Traps in Building Construction
【单选题】
We need to plan ahead in order to ___________.___
A. keep a record of all the events
B. better organize our activities
C. store everything in our head
D. pile up little tasks neatly
【单选题】
Strategic times are best for us to ___________.___
A. save energy
B. check e-mails
C. study efficiently
D. organize activities
【单选题】
Which of the following could be used as a motivation to do our assignments?___
A. Remembering our urgent tasks.
B. Any activities we're eager to do.
C. Taking a break in the afternoon.
D. The promise to study efficiently.
【单选题】
What can help us to keep refreshed throughout the day?___
A. Doing some physical exercise.
B. Taking a short nap in the afternoon.
C. Rushing through some assignments.
D. Playing a game of chess with a friend.
【单选题】
Which of the following could be the best title for this article?___
A. Study Habits and Time Management
B. Business Management and Leadership
C. University Education and Campus Life
D. Life Goals and Academic Development
【单选题】
It is implied in the text that it is hard to ________.___
A. carry life learning though
B. tell the nature of life learning
C. learn without going to school
D. find a specially trained teacher
【单选题】
According to the author, the schooling framework often ________.___
A. produces slow students with poor memories
B. ignores some parts of the official curriculum
C. fails to provide enough knowledge about life
D. gives little care to the quality of teaching materials
【单选题】
Life learners recognize that learning will not be difficult if they are _________.___
A. clear about why to learn
B. careful to make a time table
C. able to respect other people
D. cautious about any mistakes
【单选题】
According to the author, life learning ________.___
A. could prevent one from running risks
B. could be a road full of trials and errors
C. makes a kid independent of his parents
D. teaches a kid how to avoid being scorned
【单选题】
Through life learning, children ________.___
A. will grow without the assistance from parents
B. will learn to communicate with the real world
C. will be driven to learn necessary life knowledge
D. will be isolated from the negative side of society
