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【单选题】
With the emergence of biotechnology companies, it was feared that they would impose silence about proprietary results on their in-house researchers and their academic consultants. This constraint, in turn, would slow the development of biological science and engineering. Which of the following, if true, would tend to weaken most seriously the prediction of scientific secrecy described above?A.
Biotechnological research funded by industry has reached some conclusions that are of major scientific importance.
B.
When the results of scientific research are kept secret, independent researchers are unable to build on those results.
C.
Since the research priorities of biotechnology companies are not the same as those of academic institutions, the financial support of research by such companies distorts the research agenda.
D.
To enhance the companies' standing in the scientific community, the biotechnology companies encourage employees to publish their results, especially results that are important.
E.
Biotechnology companies devote some of their research resources to problems that are of fundamental scientific importance and that are not expected to produce immediate practical applications.
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【单选题】线路能力是采用一定的车辆类型、信号设备和行车组织方法条件下，城市轨道交通系统线路各项固定设备在单位时间内所能通过的列车数。下列关于线路能力的说法错误的是()
A.
线路能力主要取决于最小列车间隔和车站停留时间
B.
最小列车间隔与闭塞分区长度、型号系统参数、列车长度、交叉口和折返影响有关
C.
列车控制系统主要涉及线路采用的列车运行控制系统
D.
城市轨道交通线路上的列车通常是采用追踪运行方式
【简答题】道路定线常用的方法有____、 ____。
【简答题】常用的道路定线方法有（）、（）、（）。
【判断题】输送能力是指城市轨道交通线路在一定的车辆类型、固定设备和行车组织 方法下，按照现有的活动设备和乘务人员的数量，单位时间内（通常指高峰小时） 所能运送的乘客人数，常用单位为：人/小时。
A.
正确
B.
错误
【简答题】[ 资料]越达公司201X年12月发生下列经济业务; (1) 2 月,向南方公司购入不需要安装的生产用机器设备一台,以银行存款支付价款10000元,运杂费200元。该设备已验收并交付使用。 (2)4日,向北方公司购入甲材料6000千克,单价10元,价款共计60000元,增值税10200元,价税款已由银行存款支付。 (3)4日,向北方公司购入甲材料共发生运输费400元,途中保险费150 元,款项均以...
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