In recent years a new farming
revolution has begun, one that involves the (61) of life at
a fundamental level--the gene. The study of genetics has (62)
a new industry called biotechnology. As the name suggests, It
(63) biology and modern technology through such techniques
as genetic engineering. Some of the new biotech companies specialize in
agriculture and are working feverishly to (64) seeds that
give a high yield, that (65) diseases, drought and frost,
and that reduce the need for (66) chemicals. If such goals
could be achieved, it would be most (67) . But some have
raised concerns about genetically engineered crops. In nature, genetic diversity is created within certain (68) . A rose can be crossed with a different kind of rose, but a rose will never cross with a potato. Genet A. where B. as C. what D. so [单项选择]以上最严重的是()
A. 急性单纯性阑尾炎 B. 急性化脓性阑尾炎 C. 坏疸性及穿孔性阑尾炎 D. 阑尾周围脓肿 E. 慢性阑尾炎 [单选题]列车常用制动时,应遵守初次减压量不得少于( )。
A..50KP B..60KPA C..70KPA [单选题]电能计量装置的二次回路变动时,应按经( )后的图纸进行,无用的接线应隔离清楚,防止误拆或产生寄生回路。
A.批复 B.修改 C.修订 D.审批 [单选题]采掘工作面进风流中,二氧化碳浓度( )时,必须进行处理。
A.达到0.5% B.超过O.5% C.达到1% D.超过1% [多选题]泡沫灭火剂的灭火机理有哪些()。
A.冷却 B.窒息 C.隔离 D.化学抑制 [单选题]平键连接是靠键的( )来传递扭矩的。
A.侧面 B.顶面 C.顶面和侧面 [判断题]根据GB/T15169—94《钢熔化焊手焊工资格考试方法》的规定,采用E5015焊条考试合格的焊工,可同时取得E4303焊条的认可。()
[简答题]我国科技创新知识产权事业的发展思路中强化的一个导向是什么?
[单选题]将金属锌插入到硫酸锌溶液和将金属铜插入到硫酸铜溶液所组成的电池应记为()。
A.A.ZnZnS04CuCuS04 B.B.Zn|ZnS04Cu|CuS04 C.C.Zn|ZnS04CuS04|Cu D.D.Zn|ZnSO4‖CuS04|Cu [单选题]在相对气流流速一定时,大展弦比机翼(与小展弦比机翼相比)
A.在小迎角时,将会增加阻力; B.在小迎角时,将会减小阻力; C.在大迎角时,将会增加阻力。 [填空题]煤粉的品质主要指()、()和()。
[单选题]OMC-R负责管理( ),OMC-S负责管理NSS。
A.BSC B.HLR C.BTS D.BSS [单项选择]Nearly two thousand years have passed since a
census decreed by Caesar Augustus became part of the greatest story every told. Many things have Line changed in the intervening years. The hotel indus- (5) try worries more about overbuilding than over- crowding, and if they had to meet an unexpected influx, few inns would have a manger to accom- modate the weary guests. Now it is the census taker that does the traveling in the fond hope that (10) a highly mobile population will stay put long enough to get a good sampling. Methods of gath- ering, recording, and evaluating information have presumably been improved a great deal. And where then it was the modest purpose of Rome to (15) obtain a simple head count as an adequate basis for levying taxes, now batteries of complicated statistical series furnished by governmental agen- A. mobility B. wealth C. population D. census takers E. (E) economic predictions [多项选择]公民、法人可以通过代理人实施民事法律行为,下列关于代理的表述中,正确的是 ( )。
A. 代理人在代理权限内,有权斟酌情况,且须与被代理人商定后进行意思表示 B. 代理人在代理权限内所实施的一切代理行为,其法律后果由被代理人承担 C. 代理实施的是民事法律行为,代人抄写等行为也属代理行为 D. 只要被代理人对无合法授权的代理行为予以追认,被代理人仍应对该代理行为承担民事责任 E. 委托代理的授权必须采用书面形式 [单项选择]组织学校卫生工作,应坚持()
A. 以安全卫生为主 B. 以安全保健为主 C. 以自我保健为主 D. 以预防保健为主 [判断题]运行中的低压电流互感器宜在电能表轮换时进行变比、二次回路及其负载检查。
A.正确 B.错误 [简答题]【判断题】井、坑、孔、洞或沟(槽),应覆以与地面齐平而坚固的盖板。检修作业,禁止临时打孔、洞。
[填空题] 钛管冷却器出口氯气温度(TI0402):( )
[单项选择]
某安装公司承担了某重工企业的重型锻压机车间及炼钢车间的基础施工和安装工程。安装过程中工程测量使用了光学经纬仪和全站仪,施工日期正值冬季。根据设备安装图和有关的技术规范,对已完工的基础进行全面的复测和检查合格以后才能进行设备的安装。 A. 12 B. 24 C. 36 D. 48 [填空题]机组甩去全负荷,调节系统应能保证转速在()以下。
[单项选择]中医认识和治疗疾病的主要依据是
A. 病种 B. 病名 C. 症状 D. 体征 E. 证候 [单项选择]代表因特网网站地址的简写英文是( )。
A. URL B. ISP C. WAN D. LAN [单项选择]PSS的原理是在电压调节器的输入回路中引入能反应发电机转速变化的附加环节,使得励磁系统能够提供()阻尼力矩。
A. 正 B. 负 C. 零 D. 其他三个选项都不是 [单选题]执勤专职消防员行政职务实行任期制,任期为( )年。
A.1 B.2 C.3 D.4 [单项选择]A person;s home is as much a reflection of his personality as the clothes he wears,the food he eats and the friends with whom he spends his time.Depending on personality,most have in mind a(n)“ (1) home”.But in general,and especially for the student or new wage earners,there are practical (2) of cash and location on achieving that idea.
Cash (3) ,in fact,often means that the only way of (4) when you leave school is to stay at home for a while until things (5) financially.There are obvious (6) of living at home—personal laundry is usually (7) done along with the family wash;meals are provided and there will be a well-established circle of friends to (8) .And there is (9) the responsibility for paying bills,rates,etc. On the other hand, (10) depends on how a family gets on.Do your parents like your friends You may love your family— (11) do you like them Are you prepared to be A. and B. but C. still D. or [单项选择]隐蔽工程验收时,质量验收记录中的验收结论应由()签字。
A. 施工单位质检员 B. 施工单位技术负责人 C. 专业监理工程师 D. 质量监督站监督员 [单选题] 尼氏征阳性可见一下现象,不包括( )
A. 推压水疱一侧,可使水疱沿推压方向移动 B. 轻压疱顶,疱液向四周移动 C. 牵扯已破的水疱壁,疱周围外观正常的表皮被一起剥除 D. 在外观正常的皮肤上用力推擦,表皮可剥离 E. 在外观正常的皮肤上推擦,表皮可出现水疱 [判断题]离海岸线93海里的飞行才配备救生衣。
[多选题]拉出值:曲线区段定位点处至受电弓中心运行轨迹的水平距离。拉出值取决于( )等。
A.线路曲线半径 B.跨距 C.最大风速 D.经济因素 [单项选择]Passage One
Questions 26 to 29 are based on the passage you have just heard.A. Listen without criticism and without giving advice. B. Avoid talking about death. C. Tell him or her that you know how he or she feels. D. Encourage the dying to be brave. [判断题]化工生产有不可中断的连续性特点。
A.正确 B.错误 [单项选择]内外螺纹旋合,应有()种要素相同。
A. 5 B. 4 C. 3 D. 2 [单项选择]小方平时说话流畅,但一到正式场合,面对众人说话时就紧张,结结巴巴。社会工作者小李通过与小方的交谈了解到,小方认为在正式场合说话必须完美无缺,否则会被人嘲笑。小李决定先让小方接受这样的观点:说话时难免犯些小错误,不必过分在意。小李的介入策略主要依据了( )。
A. 精神分析理论 B. 认知行为理论 C. 社会学习理论 D. 存在主义理论 我来回答: 提交
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